Squashed 'third_party/flatbuffers/' changes from acc9990ab..d6a8dbd26

d6a8dbd26 Experimental fix for failing oss-fuzz coverage build (#6259)
ed391e177 BREAKING: Rust flexbuffers serde human readable set to false (#6257)
a49531414 Update to flags in fuzzing-cmake file (#6256)
de1f0342c Remove _POSIX_C_SOURCE and _XOPEN_SOURCE definitions when compiling o… (#6205)
d0d51e2a5 flatc should support --binary --schema with optional scalar fields. (#6252)
33ab26017 Bump version of rules_go to 0.24.5 (#6234)
febb9d87c Union As Accessors for C# (#6251)
8778dc7c2 Resets buffer without deallocating current pointer (#6247)
aae376e9a Add GetBufferSpan() function to bufferbuilder (#6235)
0ff047148 Modernize android build and sample (#6229)
46a8c7e95 Added required-nested-flatbuffer to monster_test and fixed rust (#6236)
bc56c553e Notify based on Labelling issues and PR (#6241)
07d7cd78a Converted globs to use single quotes (#6240)
cdef70e24 More adjustments to the auto labeler (#6239)
9dd44df35 Updated Lua labeller glob (#6238)
c9b29d088 Support size-prefixed buffers and add tests for size-prefixed messages (#6232)
fba93e0ab Removes duplicate swift in labeler (#6228)
d1a545b1f Added more labels for auto labeler (#6227)
ea92a668d [C#] Optional Scalars (#6217)
6034de286 [Label Bot] Add Java and Kotlin support for the label bot (#6226)
b08b0a440 Implement `Debug` trait for Rust flatbuffers. (#6207)
17ae48dec [Label Bot] Adds some languages to labeler bot (#6222)
fc8097925 Auto Labeler Setup, Just C# for now (#6221)
55658f523 Auto Labeler Setup, Just C# for now (#6218)
14ecfe423 Updated comments and fixed a fundamental type error. (#6214)
a0182cdb1 optional scalars for ts/js (#6215)
0dfcc0a37 Adds NetTest.bat to run .NET Core tests on Windows (#6216)
f9a18ea63 [Java] Implement optional scalars (#6212)
c7586e85a Empties the sharedString map on reset on go and csharp (#6187)
914c64601 Removed C# references from java generator. Move annotations closer to definitions (#6204)
42d7c7997 Adds readable size to asserts in read functions (#6210)
e68e8d7de Refactor idl_gen_rust (#6206)
84809be7e Fix typo in flatbuffers::span declaration. (#6202)
1606fb637 Kotlin test optional enum (#6201)
fe8e3c7e5 Mass Refactoring to use `IsString` and other BASE_TYPE helpers (#6193)
8f6fa4b71 Updated SupportsAdvancedUnionFeatures to look out for string (#6190)
b46db38f5 [JS/TS] Rewrite flexbuffers JS to TS (#6148)
9fa1d2705 Rework enums in rust. (#6098)
a402b3aba idl_gen_json_schema Fix generation of arrays of enums (#6184)
0e1415b99 fix(go_test): remove deprecated grpc call (#6183)
5cd713710 Add generation of JSON Schema to library (#6165)
5be777e1d Bump junit from 4.12 to 4.13.1 in /grpc/tests (#6173)
a49d440ec Bump junit from 4.12 to 4.13.1 in /grpc (#6172)
4ec5e8db9 [C++] Add option to not generate direct copy methods. (#6166)
04bec23a3 Add Array initialization from struct constructor (#5865) (#6147)
77d57fd07 Cast to right type for reserved_ subtraction (#6167)
543c1bbeb Fixed rust nested flatbuffers for tables other than self (#6062)
cb971eece [C++] Fix -Wnarrowing and -Woverflow due to signed bitfields on G++ ARM (#6163)
7b9e61fcc [TS] GRPC  Implementation (#6141)
3359e3042 Moved C++ to optional_scalars2 and added some tests. (#6162)
187a4787f [Rust] Upgrade flatbuffers library to 2018 edition (#6159)
08943aa26 Flatbuffer C++ UnpackTo optimization for vectors of non-bool bytes. (#6154)
5975658eb Enables optional enums in swift (#6160)
5d3cf440e Updated Lobster test for optional bools/enums
8ec8322f0 Ruopt enum (#6156)
bbcc85fd4 Fix generation of C++ code with Optional<Enum> (#6155)
0bdf2fa15 [C#] Fix and improve project files (#6142)
2eedc769d possibility to create a vector from an iterator (#6135)
ab01ae162 flatc should output a warning, when an attribute is attached more than once (#6146)
689bfafa7 [Python/JS/TS] Codegen SizeOf method for structs (#6136)
641309a5b unix2dos on tests/FlatBuffers.Test/FlatBuffers.Core.Test.csproj (#6133)
52e362879 SpanT is available in .Net Standard 2.0. (#6137)
dca12522a Add static cast to avoid implicit double promotion. (#6132)
e0bbaa6f9 [C#]Change to ENABLE_SPAN_T that doesn't require UNSAFE_BYTEBUFFER. (#6073)
ab139d6be Revert "[C#] Fix and improve project files (#6116)" (#6130)
34d67b425 Minireflect fixed array (#6129)
96d5e3597 [JS/TS] fix flatbuffers default export (#6123)
eb686a86f Add missed file generated by optional_scalar.fbs (#6125)
750281630 [C#] Fix and improve project files (#6116)
fb4e1c34f Add CharToLower and CharToUpper into util.s (#6126)
8c67b5b12 Add support of Optional<T> scalars to C++ code generator (#6092)
6228b66d3 [Kotlin] Support for optional scalars. (#6115)
e1be8aaad Bump version for latest swift version (#6121)
94873e595 [JS/TS] Modernize TypeScript / JavaScript flatbuffers support (#6095)
b8e87fafe [JS] Add getFullyQualifiedName() (#6119)
f96d1ef74 [Java] allowing larger buffer sizes when growing a byte buffer (#6118)
89435303b [Swift] Migrates struct write APIS to write directly to the buffer (#6093)
c75ae2429 Optional-ness in reflection (#6097)
338944d3d Rename Nullable scalars to Optional scalars (#6112)
f5ab24bc4 Avoid memcpy call for empty vectors (#6111)
92a8c1a0f [JS] FlexBuffers Fix for wrong type of offset and length values (#6107)
6cea45dcd fix c# json serializer commandline argument docs (#6104)
fec58aa12 Fix for issue 6100: incorrect shrinking logic in ResizeContext() (#6102)
71aca81ff [JS] FlexBuffers Support (#5973)
04d87ffec [C++] Small refactoring of the C++ code generator (#6091)
bb25956f0 Wrap verify file id condition in Check call (#6085)
49f4948f0 + Add `removable-media` plug to the snapcraft config (#6083)
eeacc53d2 Adds proper access types for swift object api & flatbuffers & grpc (#6081)
f3003e08d [Lobster] missed a test
d713a0084 [CMake] enabled multi-core builds in VS projects
77f966f89 [Lobster] optional scalars support
e86d5b8e9 [Kotlin] Attach JvmStatic annotation to each method in companion object (#6052)
db2aa9b4e [C#] Cleaned up .NET testing script for Mono (#6016)
63cc0eec4 Adds a serialize helper function to native table (#6059)
c30a87de6 [TS] Fix four bugs with imported types in TypeScript. (#6054)
a0fb30575 [Swift] Append namespace for Swift Grpc implementation (#6049)
77c18c1d6 export a __version__ variable for python module (#5309)
f1f23d08e adding fb import when no other imports are present (#6030)
f1025b284 [Feature] Checks for Nullable strings (#6050)
5d052f4e5 [Swift] RFC: Switch Swift namespace from public enum to ordinary concat with _ (#6045)
18b015d25 Rust codegen improvements and lint fixes (#6046)
d76e93f27 adds code gen for optional scalars in swift (#6038)
82fac326c [C++] Fix compiler error from deleted assignment operator (#6036) (#6047)
043b52bd4 Optional Scalars support for Rust (#6034)
c8fa0afdf Allow to run cpp tests under grpc/tests/ using bazel. (#6040)
6d0aae73c Fix git command executed in wrong folder when doing cmake superbuild (#6039)
ff1b73128 [Swift] Optional Scalars Preparation (#6028)
2e48c8dd3 tests: Check for both quiet and signaling NaN on mipsel/hppa (#6029)
6942704f2 support deprecated flag in json schema (#6022)
9ecd2e16c Flatc parser support for nullable scalars (#6026)
33e2d8079 [Dart] Generate constant values map for enums (#6025)
969d0f7a6 Using proper symbol name for reexport (#6021)
515a4052a Silence false positive "-Wstringop-overflow" on GCC 10.0 to 11.0 (#6020)
36fbe6f13 Updated FB import (#6019)
b69fc8cc9 [Java] Add support for shared strings on FlatBufferBuilder. (#6012)
ab6af18d9 Not using non-existent create method for obj api (#6015)
37a5dee10 Code cleanup + updates test and readme (#6004)
8a721f69a Serde with bytes maps to Blob (#6009)
e810635ea [Swift] FlatBuffers createMonster method doesn't treat struct properly (#5992)
4995e1527 Manage grpc dependency in Bazel's WORKSPACE file. (#5995)
60b6066fe Add warning to schema parser if field name is not snake_case. (#6005)
35d45cac7 [Rust] Flexbuffers dependency cleanup and fixes (#5998)
165a6e3d1 Re-added Evolution Schema Code Generation Command (#5999)
13d3fb2ea Fix RPM install conflict (#6003)
d64078eb2 [Swift] Initialize memory when clear ByteBuffer (#5982)
ca1190a3d [TS] Use proper TypedArray in create*Vector (#5991)
7571b2ac5 [C++] Updates real_path to be truly portable (#5787)
e5a8f76a4 [C++] Generate default member initializers for >= C++11 (#5989)
413bb9b55 [Kotlin] Fix Access to union of vector element (#5994)
f35184aef [Swift] Add parsing from unowned UnsafeMutableRawPointer for ByteBuffer (#5981)
b124b7625 Removed requirement that enums be declared in ascending order. (#5887)
0ec7600c6 Do not remove the last digit from float values (#5974)
14baf45c9 Mark GetBufferMinAlignment() const (#5985)
9abb2ec2c TypeScript/JavaScript docs improvements (#5984)
2e57d80b1 [Swift] Internal library improvements (#5965)
cfc7753a4 [Doc] Added missing letters to compiler options (#5976)
12ddc8a92 Rust Flexbuffers Documentation update (#5979)
24ad35709 [docs] typo: updates monsterdata.json to be valid json (#5978)
cc44a4442 [idl_parser] Mark typefield as deprecated (#5958)
9ab4a5c0e Deleted old stale bot
6682cfe87 Increased Operations per run in stale.yml
64922904b Adding Stale Action to clean up PR and Issues
8e505cb67 [C++] Fixed/Enabled --cpp-ptr-type std::shared_ptr [#5813] (#5959)
a28357d7a Propagate boolean default values from proto to fbs (#5964)
7cb4762a6 [Swift] Improving reallocation time by using memcpy and moving reallocation code to storage (#5960)
4e45f7c9e Fix error in SimpleQSort (#5955)
7ac026405 fix error on GRPC Python - ignore namespace tree if not specified (#5862) (#5922)
108e981db Required is now implemented in swift (#5952)
94a78e385 Fixed: Access violation and ASAN/UNSAN failures with sorted tables
53fb453e0 [rust] Add FlatBufferBuilder::force_defaults API (#5946)
17c1f35fa [FlexBuffer][Java] ReadWriteBuf and ReadBuf interface public (#5948)
2eaf57778 [Java] Grow ArrayReadWriteBuf enough to match requested capacity. (#5921)
666800da3 Adds bool support in structs + updates grpc support + CI upgrades (#5943)
38ed69eb3 fixed mutating inline values (#5942)
d026e6f07 Add static asserts to ensure that reflection API arrays are kept in sync (#5934)
988164f6e [C++] Got rid of memset's in constructors (#5938)
7179a5a8b General Codebase clean up (#5939)
a0da0c08c Add GetStringView like GetString, GetCstring (#5937)
ac203b209 [C#] Add file identifier to ObjectAPI Serialization Utility. (#5920)
8dd1bf25b not creating creation methods when using structs (#5919)
5aa443d98 [Dart] Adding FlexBuffers support (#5853)
0fa087657 [Dart] Getting tests/DartTest.sh to work on master. (#5915)
424a473e1 Schema parser: prohibit declaration of an array of pointers inside structs (#5907)
c3faa8346 Fix Cargo.toml dependencies (#5911)
91399ad05 fix union type names (#5902)
32782e4ad Update Rust Flexbuffers metadata before publishing (#5905)
e7f3b1690 [TS] Make Obj-API work with --short-names (#5898)
12ed1fe4a fixed invalid imports with --gen-all (#5895)
85ee4df7a [C#] Thread safe reads of Double and Float values from a ByteBuffer (#5900)
de89bd193 Implement flexbuffers in python (#5880)
8be05f6bd Rust Flexbuffers (#5669)
870ecbc09 [swift] Moves code to use VTablesStorage (#5888)
c2da8d5d8 [Java][FlexBuffers] Make FlexBuffersBuilder reusable by adding clear() (#5889) (#5890)
e84cbff67 Align package name to FindFlatBuffers.cmake (#5899)
f94e6c84e Small tutorial improvements - documentation only (#5894)
f12cca8bc Attempt at adding Github Actions CI
7e4124d6e Handle git program or .git folder absence (#5878)
a875d247a only add native_include_files if object based api is enabled (#5886)
6e9f5d981 Respect shared attribute in Parser (#5885)
ff1c78233 include/flatbuffers: typo fixes in comments (#5884)
2e9a19673 Updates swift docs for package management (#5883)
e3cb07d32 [Rust] idl_gen_rust.cpp: (Option/required-aware codegen for unions) (#5850)
712866d57 Propagate use_string_pooling in CopyTable (#5879)
44c919a9e Not using reexports with --gen-all (#5873)
99aa1ef21 Added INCLUDE_PREFIX option for flatbuffers_generate_headers (#5866)
40ba170c9 Fixed text in internals doc that implied structs can be root
cb4d0f72e [Swift] Object API support  (#5826)
003e16405 [TS] Add Obj API (#5788)
21cf300f4 fix cpp usage markdown error (#5845)
9655e12d6 Upgraded swift implementation for grpc (#5843)
fb96fadc2 [C#] Fix nested structs and arrays in Object API (#5765)
408f11fbd [ts] Fix empty source/dest namespaces when reexporting. (#5841)
a83caf591 Improves performance for the swift library by using structs + a storage class (#5835)
925fab6b1 [Java][FlexBuffers] Optimize Map access (#5735)
d9fecc332 [CMake] : Add precompiled header support with FLATBUFFERS_ENABLE_PCH (#5827)
e9d453240 Added flatbuffers_generate_headers and flatbuffers_generate_binary_files cmake functions. (#5830)
c37c989ed Correct calculation of vector element size (#5831)
6b271b7ec Fix Clang-trunk warnings about special members deprecated in C++20. (#5829)
90f3b8e8c Fix `float_constant` definition in './doc/Grammar.md` (#5828)
3af735934 [csharp] flatc should generate a 'Create…' method for tables with struct field… (#5818)
c4231c3cb Updated doxyfile - added missing files (#5824)
9657df184 Update Grammar.md (#5820)
97ffc590e Include CPack only when explictly packaging (#5817)
8b52af65b [C++] Add max_depth and max_tables parameters to reflection::Verify (#5815)
9b034eee1 Fix interpretation of 'nan(number)' by the idl_parser (#5810)
3e9ac3cff [Scripts] Adds swift to generated code (#5806)
697147a2e updated maven build files
6df40a247 pre-tag version bump for 1.12
0dba63909 Removes the inner loop in the endtable check written tables (#5803)
0e3fdd0ee Escape characters in jsonschema descriptions (#5644)
45a2b07cb Remove `noexcept` qualifier copy-ctor of `union` type (#5800) (#5802)
d10c16314 Replace 'assert' by 'FLATBUFFERS_ASSERT' inside idl_parser.cpp (#5799)
35abb7f89 Add non-nullable modifier to return type of functions never returning null (#5797)
9954e09ab [C++] Generate code for vector force_align attribute. (#5796)
95a21327f rust: pub export the VectorIter type (#5736)
89b6183ee Fix Python min alignment
5a98d65e8 [Rust] Add gen-name-strings for Rust (#5757)
f73d205bc Removed assert that wasn't backwards compatible.
7c37abe92 [C#] add ObjectAPI Serialization Utility (#5785)
4749e77b0 Fixed docs on how to obtain parser error.
6ff189841 Added --filename-suffix and --filename-ext to flatc (#5778)
c9a30c9ca Fixed refractoring issue in reflection/generate_code.sh. Also, mv deletes the original file, so I don't need to clean it up manually in that case. (#5777)
8c02d17be Skip writing reflection_generated.h if not changed (#5776)
34305c4ce [Swift] Adds GRPC to Swift (#5758)
cd88e6b2a [Java][FlexBuffers] Abstract buffer access from ByteBuffer (#5743)
3ec7a53c6 Adds cocoapods and a readme of how to get the package (#5771)
6d44cede7 [snap] Fix versioning (#5727)
cc08c0835 [Python] Fixed potential allignment issue (#5768)
54f8b787c Fix memory leak on cpp object api (#5761)
17557f913 [Python] Fixed issue #5499 (#5764)
d54af8cd4 [C++] Use strong enum type for vectors when scoped-enums is on. (#5750)
173e10fdf [C#] support Json Serialization (#5752)
8f56990f6 FlexBuffers: C++: scalar-only typed vectors were not aligned.
6400c9b05 Bump Rust port to 0.6.1 (#5747)
7418d8587 [C#] support Object API (#5710)
c580fa284 Adds min and max, comments, and all of swift's keywords + fix docs (#5737)
f2a127230 Use VS 2017 and 2019 on CI, fix cast issue in dart_idl (#5740)
316d7c208 Creates a flatbuffers validation function + small fix (#5725)
47026ea6b Added the code to embed the binary schema to the source (--bfbs-gen-embed). (#5701)
3f677f241 [Java][FlexBuffers] Deprecate typed vector strings due to design flaw (#5722)
a593a11e5 [Go] Implements a SharedStrings function (#5733)
7cdfc8475 [Swift] Fix padding function overflow when bufSize is 0 (#5721)
bab2b0db4 Add vcpkg installation instructions (#5732)
89418eb84 [Dart] Fix deprecated field support, inf/nan (#5724)
9cadf05d8 [typescript] Size-prefixed root accessors not taking into account size prefix (#5717)
6da1cf79d [rust] Add use declarations to Rust-generated bindings for imported FB definitions (#5645)
bee1df96d [Go] Replace references to hardcoded ”Monster" etc with idiomatic go wherever possible (#5716)
01189d7ed [C++] Fix for printing of enum in case output_enum_identifiers=1. (#5706)
c4b2b0a25 [Swift] Support create long string (#5709)
a4b2884e4 Added create function for swift (#5707)
04d80f255 [Swift] Swift implementation 🎉🎉 (#5603)
55686100a Changed direct calls to strtod to use StringToNumber
718351831 Document JSON compatibility guarantees. (#5704)
d1b34f0f2 Add CMake 'generated_code' target to simplify resolution of build dependencies (#5697)
21b706196 (Optionally) add an additional suffix namespace to generated fbs files. (#5698)
35daaf83d [Java] Replace Table.UTF8_CHARSET with StandardCharsets.UTF_8 (#5696)
3b458f7a1 Rust: Temporarily disable 2 endianness unit tests (#5695)
a5d9d0f7d [C++17] Add Traits class for Tables and Factory function within it. (#5678)
3cd9b6434 Removed code_generators.cpp from library targets
355dfd48d [rust] Make enum names public (#5690)
bcd58a159 Correct inverted logic around include prefixes. (#5689)
a2c12900a Optimize Pack method using numpy (#5662)
901b89e73 [C++] Add Builder and Table typedefs (#5685)
31f879908 Minor doc updates: FlexBuffers C#, Discord, CppUsage.
8023d99e2 Upgrade rules_go (#5684)
b4154405d Fix --incompatible_load_cc_rules_from_bzl (#5683)
04c17c7a7 Add support for absl::string_view when available (#5682)
62ec7d52c [Bazel] Add support for compatible_with and restricted_to (#5681)
7de668053 CI: New Docker tests for Python with numpy (#5677)
3a70e0b30 Fixed struct initialization error on older versions of C#
9b1320135 Fixed warnings in FlexBuffers.java
5e3916050 Fixed out of date licenses on gRPC Python files.
c95755051 Removed test proto output.
44bf71988 Add flatc '--cpp_std' switch (#5656)
3e8f15df9 Fix for FlexBuffers FBT_VECTOR_STRING size bit-width.
602721a73 Added Check to VerifyAlignment (#5675)
13c05f4da Improve import handling for proto conversion (#5673)
ce3a1c43a [Dart] Fix prepare space for writeListInt64 and writeListUint64 (#5654)
aa75e5734 Make Rust constants public (#5659)
2790fee25 Add namespace qualification to union types (#5666)
eddebec1b Bugfix for Rust generation of union fields named with language keywords (#5592)
030fee36a wrap multiple statements in do {} while(!IsConstTrue(true)) (#5655)
f9724d1bd [gRPC] Uncomment MessageBuilder (#5658)
b20801ca4 Supress unsigned-integer-overflow for PaddingBytes (#5647)
a8e800bd7 Add --force-empty-vectors option (#5653)
d7530ae96 Fixed enum min/max values not properly escaped.
99d11e279 Split Bazel targets into multiple packages (#5640)
4fd8eb214 Remove a static_assert (#5643)
65f870357 Flatbuffers Python Object API (#5616)
75823cc27 [Clang 10]: definition of implicit copy constructor for 'TableKeyComparatoris deprecated #5649 (#5650)
58e279244 [docs]: add missing semicolon (#5648)
3c964e10a [GO] Fix support for enums with underscores and Unions with imported members (#5600)
c3c32ec94 Fix ambiguity of a type deduction in TEST_EQ macro if arguments have `enum class` type. (#5630)
075e8d676 Simplify declarations of x-macro FLATBUFFERS_TD (#5638)
bcf1bd5c9 read vtable size through ReadScalar() (#5636)
136d75fa6 Changed null checks in test. Removed verifier pointer usage (#5634)
091fa1fd1 Add testing of C++ with sanitizers (CI-Docker) (#5631)
ff3781dc2 add namespace prefix in FLATBUFFERS_MAX_BUFFER_SIZE (#5629)
6beb9f49c Support for python grpc - continuing the work from the pull request #4270 #4705 (#5613)
80988ea86 Removed idl_gen_general.cpp and move contents to code_generators.cpp (#5625)
0f2ff7eaa Lua cleanup (#5624)
dda095023 [C++] Adds basic schema evolution tests (#5611)
adbcbba5d [C++, C#, Java] Separated C# and Java generators into their own classes (#5618)
cbbd6aca0 add check for root_type specified for json schema generation (#5622)
405c64e07 [Rust] Bump smallvec version to 1.0 (#5621)
42c08cbca Ran src/clang-format-all.sh (#5617)
33d5dd9bd Improved pull request & clang-format instructions.
105dd528e Change monster_extra generation to use flatbuffers::unique_ptr (#5612)
f0f0efe7b [C++] Refactor to conform to Google C++ style guide (#5608)
e837d5a29 Fixed deprecated method in GRPC Java test.
9834ee978 Fixed Apache license not using canonical version.
44b2ab087 include/flatbuffers/base.h: fix no_sanitize issue with old clang (#5610)
46ae3f80a [C++, Java, C#, TypeScript, JavaScript] Skip generation of mutable union types (#5599)
7b38aa71e flatbuffers.h: fix documentation warning (#5607)
661bedd83 Add Lua FlatbufferBuilder Clean() method to enable reuseable builders (#5606)
8526e12d7 [Kotlin] Fix union vector accessor after change in Java API (#5605)
3c7b660d6 [flatc] Remove an always true condition for flexbuffers (#5604)
964365ba6 [Go] Add UnPackTo functions (#5598)
32254b7ac [Go] Object API support (#5339)
521e255ad Rust: Add idiomatic iterator for Vector type (#5579)
1b85292fd Fix typos in comments (#5590)
480815447 C++ verifier for evolved union fields should return true (#5586)
8d5e424c6 Add ByteBuffer copy for vector of bytes in Java (#5587)
b4774d235 Rust: Fix Copy and Clone impls for a few generic types (#5577)
26f238c24 Add `--clean-first` to the cmake-build command (travis) (#5574)
e93c8c46e Fix Follow implementation for bool (#5554)
e21516b9d Fix issue #5557 (#5573)
fbc11e8ae Avoid intentional unsigned integer overflow getting caught by sanitizers (#5572)
e9d29c21a Python: Add forceDefaults opt to python Builder (#5564)
8bfafc76d Java: Don't annotate vector-of-tables item getters with @nullable. (#5562)
df3e8bf4a Fixed warnings generated by recent JSON sorting feature.
5665cfe49 [Java] byte buffer factory returned buffer capcity is used instead of the requested size (#5558)
5797540ed #5544 Fix of Array of table is not sorted if Create<type>Direct() is used (#5546)
7f1af7cb0 Fix build with gcc version 7.4.0 (#5570)
32f47ad24 Fixed JSON parser not sorting vectors of tables/structs with key.
842f672ba [FlexBuffers][Java] Cache size of Sized objects in FlexBuffers (#5551)
d4cae0a62 Fix issue #5542 (#5543)
f1147f65b Fixed Android STLPort related error.
69d3fec48 Fix namespaced struct/field name collision detection (#5540) (#5545)
cfb4ecf6f [flac] Add FlexBuffers option for generating data (#5519)
a92039687 Update Rust versions under test from 1.30.1 to 1.37.0 (#5538)
625338d09 Adds XOPEN_SOURCE for PATH_MAX and POSIX 1993 for stat (#5529)
3f8ce99c5 [FlexBuffers][Java] Add override Key::toString (#5533)
0798b7b69 [FlexBuffers][Java] Fix wrong access to a string using Reference::asString(). (#5532)
cbdf82e2f Fix Mutate() methods of Array<scalar/struct> (override 5508) (#5526)
e365c502f Java: Added access object for vector of struct and vector of tables. (#5233)
97f3aa917 Fixed DetachedBuffer self move assignment (#5521)
2f5bb2eec Fix buildifier warnings found in new bazel (#5517)
917687c7a Fixed Reflection Verifier not handling vectors of unions.
f9277e691 Fixed GenerateText not handling vectors of unions.
2706381ee Add element size parameter to __vector_as_arraysegment [c#] (#5512)
b5560fcd5 [Java][FlexBuffers] Improve documentation for FlexBuffers in Java. (#5506)
782b865c5 Annotate getters with @Pure when --java-checkerframework is specified. (#5510)
3bfc86eaf [Dart]fix: segment fault with empty namespace when generating dart file (#5507)
c0282873f Rust: Fixed cargo clippy on non-generated code (#5485)
4b870aca9 [Javascript] Fix syntax error for signed enum (#5503)
d0e3870c0 [C#] Fix retrieving enumeration vectors as arrays (#5457)
fb25eb87f Doc typo fixes (#5505)
cb35d3a0e Use all of the available space in the buffer returned by ByteBufferFactory to allow the factory to keep a pool of larger than initialsize sized buffers. (#5500)
8e6cabb31 [FlexBuffers][Java] Implementation of FlexBuffers API (#5476)
bd31dd242 Clarified value reuse in FlexBuffers
65b67d213 Fixed test build invocation of arrays_test.fbs
1fbb71132 FlexBuffers: allow any values to be shared.
cd75a3658 Android: remove app_dummy() calls
ec6b0bf29 Fixed STLPort Android compile error
c11b5d744 [bugfix]flexbuffers isvector bugfix (#5488)
4525c91be Fix incorrect padding in arrays of structs (Issue #5484) (#5491)
b97b342f5 Fixed missing generated code.
c1058a903 C++ IDL generation adds superfluous semicolon in GenTablePost, causing (#5483)
303044934 [go]add Name() for ForceCodec  interface (#5486)
a2485d4ec reflection: check for valid union enum value during object verification (#5475)
a20e71ac9 has_method support for primitive fields in java runtime. Changed: idl.h, FlatBufferBuilder.java ,  idl_gen_general.cpp, idl_parser.cpp, flatc.cpp (#5468)

Change-Id: I836f4b43e6818bb16425a87899e6234ac86242aa
git-subtree-dir: third_party/flatbuffers
git-subtree-split: d6a8dbd26ff08a8868e0d0c1b4b67d31b40e4a7f
diff --git a/tests/union_vector/Attacker.cs b/tests/union_vector/Attacker.cs
index 0e3300a..870643f 100644
--- a/tests/union_vector/Attacker.cs
+++ b/tests/union_vector/Attacker.cs
@@ -3,13 +3,14 @@
 // </auto-generated>
 
 using global::System;
+using global::System.Collections.Generic;
 using global::FlatBuffers;
 
 public struct Attacker : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
-  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_12_0(); }
   public static Attacker GetRootAsAttacker(ByteBuffer _bb) { return GetRootAsAttacker(_bb, new Attacker()); }
   public static Attacker GetRootAsAttacker(ByteBuffer _bb, Attacker obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
@@ -31,5 +32,29 @@
     int o = builder.EndTable();
     return new Offset<Attacker>(o);
   }
+  public AttackerT UnPack() {
+    var _o = new AttackerT();
+    this.UnPackTo(_o);
+    return _o;
+  }
+  public void UnPackTo(AttackerT _o) {
+    _o.SwordAttackDamage = this.SwordAttackDamage;
+  }
+  public static Offset<Attacker> Pack(FlatBufferBuilder builder, AttackerT _o) {
+    if (_o == null) return default(Offset<Attacker>);
+    return CreateAttacker(
+      builder,
+      _o.SwordAttackDamage);
+  }
 };
 
+public class AttackerT
+{
+  [Newtonsoft.Json.JsonProperty("sword_attack_damage")]
+  public int SwordAttackDamage { get; set; }
+
+  public AttackerT() {
+    this.SwordAttackDamage = 0;
+  }
+}
+
diff --git a/tests/union_vector/Attacker.java b/tests/union_vector/Attacker.java
index afe6945..2221944 100644
--- a/tests/union_vector/Attacker.java
+++ b/tests/union_vector/Attacker.java
@@ -7,7 +7,7 @@
 
 @SuppressWarnings("unused")
 public final class Attacker extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_12_0(); }
   public static Attacker getRootAsAttacker(ByteBuffer _bb) { return getRootAsAttacker(_bb, new Attacker()); }
   public static Attacker getRootAsAttacker(ByteBuffer _bb, Attacker obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
@@ -29,5 +29,12 @@
     int o = builder.endTable();
     return o;
   }
+
+  public static final class Vector extends BaseVector {
+    public Vector __assign(int _vector, int _element_size, ByteBuffer _bb) { __reset(_vector, _element_size, _bb); return this; }
+
+    public Attacker get(int j) { return get(new Attacker(), j); }
+    public Attacker get(Attacker obj, int j) {  return obj.__assign(__indirect(__element(j), bb), bb); }
+  }
 }
 
diff --git a/tests/union_vector/Attacker.kt b/tests/union_vector/Attacker.kt
index 7d3dc68..d398227 100644
--- a/tests/union_vector/Attacker.kt
+++ b/tests/union_vector/Attacker.kt
@@ -30,7 +30,7 @@
         }
     }
     companion object {
-        fun validateVersion() = Constants.FLATBUFFERS_1_11_1()
+        fun validateVersion() = Constants.FLATBUFFERS_1_12_0()
         fun getRootAsAttacker(_bb: ByteBuffer): Attacker = getRootAsAttacker(_bb, Attacker())
         fun getRootAsAttacker(_bb: ByteBuffer, obj: Attacker): Attacker {
             _bb.order(ByteOrder.LITTLE_ENDIAN)
diff --git a/tests/union_vector/BookReader.cs b/tests/union_vector/BookReader.cs
index 53fe736..3f80cdf 100644
--- a/tests/union_vector/BookReader.cs
+++ b/tests/union_vector/BookReader.cs
@@ -3,6 +3,7 @@
 // </auto-generated>
 
 using global::System;
+using global::System.Collections.Generic;
 using global::FlatBuffers;
 
 public struct BookReader : IFlatbufferObject
@@ -20,5 +21,29 @@
     builder.PutInt(BooksRead);
     return new Offset<BookReader>(builder.Offset);
   }
+  public BookReaderT UnPack() {
+    var _o = new BookReaderT();
+    this.UnPackTo(_o);
+    return _o;
+  }
+  public void UnPackTo(BookReaderT _o) {
+    _o.BooksRead = this.BooksRead;
+  }
+  public static Offset<BookReader> Pack(FlatBufferBuilder builder, BookReaderT _o) {
+    if (_o == null) return default(Offset<BookReader>);
+    return CreateBookReader(
+      builder,
+      _o.BooksRead);
+  }
 };
 
+public class BookReaderT
+{
+  [Newtonsoft.Json.JsonProperty("books_read")]
+  public int BooksRead { get; set; }
+
+  public BookReaderT() {
+    this.BooksRead = 0;
+  }
+}
+
diff --git a/tests/union_vector/BookReader.java b/tests/union_vector/BookReader.java
index 20ff9e2..a6d1b43 100644
--- a/tests/union_vector/BookReader.java
+++ b/tests/union_vector/BookReader.java
@@ -18,5 +18,12 @@
     builder.putInt(booksRead);
     return builder.offset();
   }
+
+  public static final class Vector extends BaseVector {
+    public Vector __assign(int _vector, int _element_size, ByteBuffer _bb) { __reset(_vector, _element_size, _bb); return this; }
+
+    public BookReader get(int j) { return get(new BookReader(), j); }
+    public BookReader get(BookReader obj, int j) {  return obj.__assign(__element(j), bb); }
+  }
 }
 
diff --git a/tests/union_vector/Character.cs b/tests/union_vector/Character.cs
index 73a5cba..d067e22 100644
--- a/tests/union_vector/Character.cs
+++ b/tests/union_vector/Character.cs
@@ -2,6 +2,7 @@
 //  automatically generated by the FlatBuffers compiler, do not modify
 // </auto-generated>
 
+[Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
 public enum Character : byte
 {
   NONE = 0,
@@ -13,3 +14,79 @@
   Unused = 6,
 };
 
+public class CharacterUnion {
+  public Character Type { get; set; }
+  public object Value { get; set; }
+
+  public CharacterUnion() {
+    this.Type = Character.NONE;
+    this.Value = null;
+  }
+
+  public T As<T>() where T : class { return this.Value as T; }
+  public AttackerT AsMuLan() { return this.As<AttackerT>(); }
+  public RapunzelT AsRapunzel() { return this.As<RapunzelT>(); }
+  public BookReaderT AsBelle() { return this.As<BookReaderT>(); }
+  public BookReaderT AsBookFan() { return this.As<BookReaderT>(); }
+  public string AsOther() { return this.As<string>(); }
+  public string AsUnused() { return this.As<string>(); }
+
+  public static int Pack(FlatBuffers.FlatBufferBuilder builder, CharacterUnion _o) {
+    switch (_o.Type) {
+      default: return 0;
+      case Character.MuLan: return Attacker.Pack(builder, _o.AsMuLan()).Value;
+      case Character.Rapunzel: return Rapunzel.Pack(builder, _o.AsRapunzel()).Value;
+      case Character.Belle: return BookReader.Pack(builder, _o.AsBelle()).Value;
+      case Character.BookFan: return BookReader.Pack(builder, _o.AsBookFan()).Value;
+      case Character.Other: return builder.CreateString(_o.AsOther()).Value;
+      case Character.Unused: return builder.CreateString(_o.AsUnused()).Value;
+    }
+  }
+}
+
+public class CharacterUnion_JsonConverter : Newtonsoft.Json.JsonConverter {
+  public override bool CanConvert(System.Type objectType) {
+    return objectType == typeof(CharacterUnion) || objectType == typeof(System.Collections.Generic.List<CharacterUnion>);
+  }
+  public override void WriteJson(Newtonsoft.Json.JsonWriter writer, object value, Newtonsoft.Json.JsonSerializer serializer) {
+    var _olist = value as System.Collections.Generic.List<CharacterUnion>;
+    if (_olist != null) {
+      writer.WriteStartArray();
+      foreach (var _o in _olist) { this.WriteJson(writer, _o, serializer); }
+      writer.WriteEndArray();
+    } else {
+      this.WriteJson(writer, value as CharacterUnion, serializer);
+    }
+  }
+  public void WriteJson(Newtonsoft.Json.JsonWriter writer, CharacterUnion _o, Newtonsoft.Json.JsonSerializer serializer) {
+    if (_o == null) return;
+    serializer.Serialize(writer, _o.Value);
+  }
+  public override object ReadJson(Newtonsoft.Json.JsonReader reader, System.Type objectType, object existingValue, Newtonsoft.Json.JsonSerializer serializer) {
+    var _olist = existingValue as System.Collections.Generic.List<CharacterUnion>;
+    if (_olist != null) {
+      for (var _j = 0; _j < _olist.Count; ++_j) {
+        reader.Read();
+        _olist[_j] = this.ReadJson(reader, _olist[_j], serializer);
+      }
+      reader.Read();
+      return _olist;
+    } else {
+      return this.ReadJson(reader, existingValue as CharacterUnion, serializer);
+    }
+  }
+  public CharacterUnion ReadJson(Newtonsoft.Json.JsonReader reader, CharacterUnion _o, Newtonsoft.Json.JsonSerializer serializer) {
+    if (_o == null) return null;
+    switch (_o.Type) {
+      default: break;
+      case Character.MuLan: _o.Value = serializer.Deserialize<AttackerT>(reader); break;
+      case Character.Rapunzel: _o.Value = serializer.Deserialize<RapunzelT>(reader); break;
+      case Character.Belle: _o.Value = serializer.Deserialize<BookReaderT>(reader); break;
+      case Character.BookFan: _o.Value = serializer.Deserialize<BookReaderT>(reader); break;
+      case Character.Other: _o.Value = serializer.Deserialize<string>(reader); break;
+      case Character.Unused: _o.Value = serializer.Deserialize<string>(reader); break;
+    }
+    return _o;
+  }
+}
+
diff --git a/tests/union_vector/Movie.cs b/tests/union_vector/Movie.cs
index 13dbfac..dfbdd8d 100644
--- a/tests/union_vector/Movie.cs
+++ b/tests/union_vector/Movie.cs
@@ -3,13 +3,14 @@
 // </auto-generated>
 
 using global::System;
+using global::System.Collections.Generic;
 using global::FlatBuffers;
 
 public struct Movie : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
-  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_12_0(); }
   public static Movie GetRootAsMovie(ByteBuffer _bb) { return GetRootAsMovie(_bb, new Movie()); }
   public static Movie GetRootAsMovie(ByteBuffer _bb, Movie obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
   public static bool MovieBufferHasIdentifier(ByteBuffer _bb) { return Table.__has_identifier(_bb, "MOVI"); }
@@ -17,18 +18,24 @@
   public Movie __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public Character MainCharacterType { get { int o = __p.__offset(4); return o != 0 ? (Character)__p.bb.Get(o + __p.bb_pos) : Character.NONE; } }
-  public bool MutateMainCharacterType(Character main_character_type) { int o = __p.__offset(4); if (o != 0) { __p.bb.Put(o + __p.bb_pos, (byte)main_character_type); return true; } else { return false; } }
-  public TTable? MainCharacter<TTable>() where TTable : struct, IFlatbufferObject { int o = __p.__offset(6); return o != 0 ? (TTable?)__p.__union<TTable>(o) : null; }
+  public TTable? MainCharacter<TTable>() where TTable : struct, IFlatbufferObject { int o = __p.__offset(6); return o != 0 ? (TTable?)__p.__union<TTable>(o + __p.bb_pos) : null; }
+  public string MainCharacterAsString() { int o = __p.__offset(6); return o != 0 ? __p.__string(o + __p.bb_pos) : null; }
+  public Attacker MainCharacterAsMuLan() { return MainCharacter<Attacker>().Value; }
+  public Rapunzel MainCharacterAsRapunzel() { return MainCharacter<Rapunzel>().Value; }
+  public BookReader MainCharacterAsBelle() { return MainCharacter<BookReader>().Value; }
+  public BookReader MainCharacterAsBookFan() { return MainCharacter<BookReader>().Value; }
+  public string MainCharacterAsOther() { return MainCharacterAsString(); }
+  public string MainCharacterAsUnused() { return MainCharacterAsString(); }
   public Character CharactersType(int j) { int o = __p.__offset(8); return o != 0 ? (Character)__p.bb.Get(__p.__vector(o) + j * 1) : (Character)0; }
   public int CharactersTypeLength { get { int o = __p.__offset(8); return o != 0 ? __p.__vector_len(o) : 0; } }
 #if ENABLE_SPAN_T
-  public Span<byte> GetCharactersTypeBytes() { return __p.__vector_as_span(8); }
+  public Span<Character> GetCharactersTypeBytes() { return __p.__vector_as_span<Character>(8, 1); }
 #else
   public ArraySegment<byte>? GetCharactersTypeBytes() { return __p.__vector_as_arraysegment(8); }
 #endif
-  public Character[] GetCharactersTypeArray() { return __p.__vector_as_array<Character>(8); }
-  public bool MutateCharactersType(int j, Character characters_type) { int o = __p.__offset(8); if (o != 0) { __p.bb.Put(__p.__vector(o) + j * 1, (byte)characters_type); return true; } else { return false; } }
-  public TTable? Characters<TTable>(int j) where TTable : struct, IFlatbufferObject { int o = __p.__offset(10); return o != 0 ? (TTable?)__p.__union<TTable>(__p.__vector(o) + j * 4 - __p.bb_pos) : null; }
+  public Character[] GetCharactersTypeArray() { int o = __p.__offset(8); if (o == 0) return null; int p = __p.__vector(o); int l = __p.__vector_len(o); Character[] a = new Character[l]; for (int i = 0; i < l; i++) { a[i] = (Character)__p.bb.Get(p + i * 1); } return a; }
+  public TTable? Characters<TTable>(int j) where TTable : struct, IFlatbufferObject { int o = __p.__offset(10); return o != 0 ? (TTable?)__p.__union<TTable>(__p.__vector(o) + j * 4) : null; }
+  public string CharactersAsString(int j) { int o = __p.__offset(10); return o != 0 ? __p.__string(__p.__vector(o) + j * 4) : null; }
   public int CharactersLength { get { int o = __p.__offset(10); return o != 0 ? __p.__vector_len(o) : 0; } }
 
   public static Offset<Movie> CreateMovie(FlatBufferBuilder builder,
@@ -61,5 +68,142 @@
   }
   public static void FinishMovieBuffer(FlatBufferBuilder builder, Offset<Movie> offset) { builder.Finish(offset.Value, "MOVI"); }
   public static void FinishSizePrefixedMovieBuffer(FlatBufferBuilder builder, Offset<Movie> offset) { builder.FinishSizePrefixed(offset.Value, "MOVI"); }
+  public MovieT UnPack() {
+    var _o = new MovieT();
+    this.UnPackTo(_o);
+    return _o;
+  }
+  public void UnPackTo(MovieT _o) {
+    _o.MainCharacter = new CharacterUnion();
+    _o.MainCharacter.Type = this.MainCharacterType;
+    switch (this.MainCharacterType) {
+      default: break;
+      case Character.MuLan:
+        _o.MainCharacter.Value = this.MainCharacter<Attacker>().HasValue ? this.MainCharacter<Attacker>().Value.UnPack() : null;
+        break;
+      case Character.Rapunzel:
+        _o.MainCharacter.Value = this.MainCharacter<Rapunzel>().HasValue ? this.MainCharacter<Rapunzel>().Value.UnPack() : null;
+        break;
+      case Character.Belle:
+        _o.MainCharacter.Value = this.MainCharacter<BookReader>().HasValue ? this.MainCharacter<BookReader>().Value.UnPack() : null;
+        break;
+      case Character.BookFan:
+        _o.MainCharacter.Value = this.MainCharacter<BookReader>().HasValue ? this.MainCharacter<BookReader>().Value.UnPack() : null;
+        break;
+      case Character.Other:
+        _o.MainCharacter.Value = this.MainCharacterAsString();
+        break;
+      case Character.Unused:
+        _o.MainCharacter.Value = this.MainCharacterAsString();
+        break;
+    }
+    _o.Characters = new List<CharacterUnion>();
+    for (var _j = 0; _j < this.CharactersLength; ++_j) {
+      var _o_Characters = new CharacterUnion();
+      _o_Characters.Type = this.CharactersType(_j);
+      switch (this.CharactersType(_j)) {
+        default: break;
+        case Character.MuLan:
+          _o_Characters.Value = this.Characters<Attacker>(_j).HasValue ? this.Characters<Attacker>(_j).Value.UnPack() : null;
+          break;
+        case Character.Rapunzel:
+          _o_Characters.Value = this.Characters<Rapunzel>(_j).HasValue ? this.Characters<Rapunzel>(_j).Value.UnPack() : null;
+          break;
+        case Character.Belle:
+          _o_Characters.Value = this.Characters<BookReader>(_j).HasValue ? this.Characters<BookReader>(_j).Value.UnPack() : null;
+          break;
+        case Character.BookFan:
+          _o_Characters.Value = this.Characters<BookReader>(_j).HasValue ? this.Characters<BookReader>(_j).Value.UnPack() : null;
+          break;
+        case Character.Other:
+          _o_Characters.Value = this.CharactersAsString(_j);
+          break;
+        case Character.Unused:
+          _o_Characters.Value = this.CharactersAsString(_j);
+          break;
+      }
+      _o.Characters.Add(_o_Characters);
+    }
+  }
+  public static Offset<Movie> Pack(FlatBufferBuilder builder, MovieT _o) {
+    if (_o == null) return default(Offset<Movie>);
+    var _main_character_type = _o.MainCharacter == null ? Character.NONE : _o.MainCharacter.Type;
+    var _main_character = _o.MainCharacter == null ? 0 : CharacterUnion.Pack(builder, _o.MainCharacter);
+    var _characters_type = default(VectorOffset);
+    if (_o.Characters != null) {
+      var __characters_type = new Character[_o.Characters.Count];
+      for (var _j = 0; _j < __characters_type.Length; ++_j) { __characters_type[_j] = _o.Characters[_j].Type; }
+      _characters_type = CreateCharactersTypeVector(builder, __characters_type);
+    }
+    var _characters = default(VectorOffset);
+    if (_o.Characters != null) {
+      var __characters = new int[_o.Characters.Count];
+      for (var _j = 0; _j < __characters.Length; ++_j) { __characters[_j] = CharacterUnion.Pack(builder,  _o.Characters[_j]); }
+      _characters = CreateCharactersVector(builder, __characters);
+    }
+    return CreateMovie(
+      builder,
+      _main_character_type,
+      _main_character,
+      _characters_type,
+      _characters);
+  }
 };
 
+public class MovieT
+{
+  [Newtonsoft.Json.JsonProperty("main_character_type")]
+  private Character MainCharacterType {
+    get {
+      return this.MainCharacter != null ? this.MainCharacter.Type : Character.NONE;
+    }
+    set {
+      this.MainCharacter = new CharacterUnion();
+      this.MainCharacter.Type = value;
+    }
+  }
+  [Newtonsoft.Json.JsonProperty("main_character")]
+  [Newtonsoft.Json.JsonConverter(typeof(CharacterUnion_JsonConverter))]
+  public CharacterUnion MainCharacter { get; set; }
+  [Newtonsoft.Json.JsonProperty("characters_type")]
+  private Character[] CharactersType {
+    get {
+      if (this.Characters == null) return null;
+      var _o = new Character[this.Characters.Count];
+      for (var _j = 0; _j < _o.Length; ++_j) { _o[_j] = this.Characters[_j].Type; }
+      return _o;
+    }
+    set {
+      this.Characters = new List<CharacterUnion>();
+      for (var _j = 0; _j < value.Length; ++_j) {
+        var _o = new CharacterUnion();
+        _o.Type = value[_j];
+        this.Characters.Add(_o);
+      }
+    }
+  }
+  [Newtonsoft.Json.JsonProperty("characters")]
+  [Newtonsoft.Json.JsonConverter(typeof(CharacterUnion_JsonConverter))]
+  public List<CharacterUnion> Characters { get; set; }
+
+  public MovieT() {
+    this.MainCharacter = null;
+    this.Characters = null;
+  }
+
+  public static MovieT DeserializeFromJson(string jsonText) {
+    return Newtonsoft.Json.JsonConvert.DeserializeObject<MovieT>(jsonText);
+  }
+  public string SerializeToJson() {
+    return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+  }
+  public static MovieT DeserializeFromBinary(byte[] fbBuffer) {
+    return Movie.GetRootAsMovie(new ByteBuffer(fbBuffer)).UnPack();
+  }
+  public byte[] SerializeToBinary() {
+    var fbb = new FlatBufferBuilder(0x10000);
+    Movie.FinishMovieBuffer(fbb, Movie.Pack(fbb, this));
+    return fbb.DataBuffer.ToSizedArray();
+  }
+}
+
diff --git a/tests/union_vector/Movie.java b/tests/union_vector/Movie.java
index 0f6a19c..d8a97bf 100644
--- a/tests/union_vector/Movie.java
+++ b/tests/union_vector/Movie.java
@@ -7,7 +7,7 @@
 
 @SuppressWarnings("unused")
 public final class Movie extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_12_0(); }
   public static Movie getRootAsMovie(ByteBuffer _bb) { return getRootAsMovie(_bb, new Movie()); }
   public static Movie getRootAsMovie(ByteBuffer _bb, Movie obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public static boolean MovieBufferHasIdentifier(ByteBuffer _bb) { return __has_identifier(_bb, "MOVI"); }
@@ -15,15 +15,17 @@
   public Movie __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public byte mainCharacterType() { int o = __offset(4); return o != 0 ? bb.get(o + bb_pos) : 0; }
-  public boolean mutateMainCharacterType(byte main_character_type) { int o = __offset(4); if (o != 0) { bb.put(o + bb_pos, main_character_type); return true; } else { return false; } }
-  public Table mainCharacter(Table obj) { int o = __offset(6); return o != 0 ? __union(obj, o) : null; }
+  public Table mainCharacter(Table obj) { int o = __offset(6); return o != 0 ? __union(obj, o + bb_pos) : null; }
   public byte charactersType(int j) { int o = __offset(8); return o != 0 ? bb.get(__vector(o) + j * 1) : 0; }
   public int charactersTypeLength() { int o = __offset(8); return o != 0 ? __vector_len(o) : 0; }
+  public ByteVector charactersTypeVector() { return charactersTypeVector(new ByteVector()); }
+  public ByteVector charactersTypeVector(ByteVector obj) { int o = __offset(8); return o != 0 ? obj.__assign(__vector(o), bb) : null; }
   public ByteBuffer charactersTypeAsByteBuffer() { return __vector_as_bytebuffer(8, 1); }
   public ByteBuffer charactersTypeInByteBuffer(ByteBuffer _bb) { return __vector_in_bytebuffer(_bb, 8, 1); }
-  public boolean mutateCharactersType(int j, byte characters_type) { int o = __offset(8); if (o != 0) { bb.put(__vector(o) + j * 1, characters_type); return true; } else { return false; } }
-  public Table characters(Table obj, int j) { int o = __offset(10); return o != 0 ? __union(obj, __vector(o) + j * 4 - bb_pos) : null; }
+  public Table characters(Table obj, int j) { int o = __offset(10); return o != 0 ? __union(obj, __vector(o) + j * 4) : null; }
   public int charactersLength() { int o = __offset(10); return o != 0 ? __vector_len(o) : 0; }
+  public UnionVector charactersVector() { return charactersVector(new UnionVector()); }
+  public UnionVector charactersVector(UnionVector obj) { int o = __offset(10); return o != 0 ? obj.__assign(__vector(o), 4, bb) : null; }
 
   public static int createMovie(FlatBufferBuilder builder,
       byte main_character_type,
@@ -53,5 +55,12 @@
   }
   public static void finishMovieBuffer(FlatBufferBuilder builder, int offset) { builder.finish(offset, "MOVI"); }
   public static void finishSizePrefixedMovieBuffer(FlatBufferBuilder builder, int offset) { builder.finishSizePrefixed(offset, "MOVI"); }
+
+  public static final class Vector extends BaseVector {
+    public Vector __assign(int _vector, int _element_size, ByteBuffer _bb) { __reset(_vector, _element_size, _bb); return this; }
+
+    public Movie get(int j) { return get(new Movie(), j); }
+    public Movie get(Movie obj, int j) {  return obj.__assign(__indirect(__element(j), bb), bb); }
+  }
 }
 
diff --git a/tests/union_vector/Movie.kt b/tests/union_vector/Movie.kt
index b8a135b..714d46f 100644
--- a/tests/union_vector/Movie.kt
+++ b/tests/union_vector/Movie.kt
@@ -30,7 +30,7 @@
         }
     }
     fun mainCharacter(obj: Table) : Table? {
-        val o = __offset(6); return if (o != 0) __union(obj, o) else null
+        val o = __offset(6); return if (o != 0) __union(obj, o + bb_pos) else null
     }
     fun charactersType(j: Int) : UByte {
         val o = __offset(8)
@@ -58,7 +58,7 @@
     fun characters(obj: Table, j: Int) : Table? {
         val o = __offset(10)
         return if (o != 0) {
-            __union(obj, __vector(o) + j * 4 - bb_pos)
+            __union(obj, __vector(o) + j * 4)
         } else {
             null
         }
@@ -68,7 +68,7 @@
             val o = __offset(10); return if (o != 0) __vector_len(o) else 0
         }
     companion object {
-        fun validateVersion() = Constants.FLATBUFFERS_1_11_1()
+        fun validateVersion() = Constants.FLATBUFFERS_1_12_0()
         fun getRootAsMovie(_bb: ByteBuffer): Movie = getRootAsMovie(_bb, Movie())
         fun getRootAsMovie(_bb: ByteBuffer, obj: Movie): Movie {
             _bb.order(ByteOrder.LITTLE_ENDIAN)
diff --git a/tests/union_vector/Rapunzel.cs b/tests/union_vector/Rapunzel.cs
index cb05d4a..e5ffff8 100644
--- a/tests/union_vector/Rapunzel.cs
+++ b/tests/union_vector/Rapunzel.cs
@@ -3,6 +3,7 @@
 // </auto-generated>
 
 using global::System;
+using global::System.Collections.Generic;
 using global::FlatBuffers;
 
 public struct Rapunzel : IFlatbufferObject
@@ -20,5 +21,29 @@
     builder.PutInt(HairLength);
     return new Offset<Rapunzel>(builder.Offset);
   }
+  public RapunzelT UnPack() {
+    var _o = new RapunzelT();
+    this.UnPackTo(_o);
+    return _o;
+  }
+  public void UnPackTo(RapunzelT _o) {
+    _o.HairLength = this.HairLength;
+  }
+  public static Offset<Rapunzel> Pack(FlatBufferBuilder builder, RapunzelT _o) {
+    if (_o == null) return default(Offset<Rapunzel>);
+    return CreateRapunzel(
+      builder,
+      _o.HairLength);
+  }
 };
 
+public class RapunzelT
+{
+  [Newtonsoft.Json.JsonProperty("hair_length")]
+  public int HairLength { get; set; }
+
+  public RapunzelT() {
+    this.HairLength = 0;
+  }
+}
+
diff --git a/tests/union_vector/Rapunzel.java b/tests/union_vector/Rapunzel.java
index 852c061..96d3cfe 100644
--- a/tests/union_vector/Rapunzel.java
+++ b/tests/union_vector/Rapunzel.java
@@ -18,5 +18,12 @@
     builder.putInt(hairLength);
     return builder.offset();
   }
+
+  public static final class Vector extends BaseVector {
+    public Vector __assign(int _vector, int _element_size, ByteBuffer _bb) { __reset(_vector, _element_size, _bb); return this; }
+
+    public Rapunzel get(int j) { return get(new Rapunzel(), j); }
+    public Rapunzel get(Rapunzel obj, int j) {  return obj.__assign(__element(j), bb); }
+  }
 }
 
diff --git a/tests/union_vector/union_vector_generated.h b/tests/union_vector/union_vector_generated.h
index 150c8f4..e6c7971 100644
--- a/tests/union_vector/union_vector_generated.h
+++ b/tests/union_vector/union_vector_generated.h
@@ -7,6 +7,7 @@
 #include "flatbuffers/flatbuffers.h"
 
 struct Attacker;
+struct AttackerBuilder;
 struct AttackerT;
 
 struct Rapunzel;
@@ -14,6 +15,7 @@
 struct BookReader;
 
 struct Movie;
+struct MovieBuilder;
 struct MovieT;
 
 bool operator==(const AttackerT &lhs, const AttackerT &rhs);
@@ -73,7 +75,7 @@
 }
 
 inline const char *EnumNameCharacter(Character e) {
-  if (e < Character_NONE || e > Character_Unused) return "";
+  if (flatbuffers::IsOutRange(e, Character_NONE, Character_Unused)) return "";
   const size_t index = static_cast<size_t>(e);
   return EnumNamesCharacter()[index];
 }
@@ -86,8 +88,8 @@
   CharacterUnion(CharacterUnion&& u) FLATBUFFERS_NOEXCEPT :
     type(Character_NONE), value(nullptr)
     { std::swap(type, u.type); std::swap(value, u.value); }
-  CharacterUnion(const CharacterUnion &) FLATBUFFERS_NOEXCEPT;
-  CharacterUnion &operator=(const CharacterUnion &u) FLATBUFFERS_NOEXCEPT
+  CharacterUnion(const CharacterUnion &);
+  CharacterUnion &operator=(const CharacterUnion &u)
     { CharacterUnion t(u); std::swap(type, t.type); std::swap(value, t.value); return *this; }
   CharacterUnion &operator=(CharacterUnion &&u) FLATBUFFERS_NOEXCEPT
     { std::swap(type, u.type); std::swap(value, u.value); return *this; }
@@ -200,8 +202,11 @@
   static const flatbuffers::TypeTable *MiniReflectTypeTable() {
     return RapunzelTypeTable();
   }
-  Rapunzel() {
-    memset(static_cast<void *>(this), 0, sizeof(Rapunzel));
+  static FLATBUFFERS_CONSTEXPR const char *GetFullyQualifiedName() {
+    return "Rapunzel";
+  }
+  Rapunzel()
+      : hair_length_(0) {
   }
   Rapunzel(int32_t _hair_length)
       : hair_length_(flatbuffers::EndianScalar(_hair_length)) {
@@ -233,8 +238,11 @@
   static const flatbuffers::TypeTable *MiniReflectTypeTable() {
     return BookReaderTypeTable();
   }
-  BookReader() {
-    memset(static_cast<void *>(this), 0, sizeof(BookReader));
+  static FLATBUFFERS_CONSTEXPR const char *GetFullyQualifiedName() {
+    return "BookReader";
+  }
+  BookReader()
+      : books_read_(0) {
   }
   BookReader(int32_t _books_read)
       : books_read_(flatbuffers::EndianScalar(_books_read)) {
@@ -260,6 +268,9 @@
 
 struct AttackerT : public flatbuffers::NativeTable {
   typedef Attacker TableType;
+  static FLATBUFFERS_CONSTEXPR const char *GetFullyQualifiedName() {
+    return "AttackerT";
+  }
   int32_t sword_attack_damage;
   AttackerT()
       : sword_attack_damage(0) {
@@ -278,9 +289,13 @@
 
 struct Attacker FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
   typedef AttackerT NativeTableType;
+  typedef AttackerBuilder Builder;
   static const flatbuffers::TypeTable *MiniReflectTypeTable() {
     return AttackerTypeTable();
   }
+  static FLATBUFFERS_CONSTEXPR const char *GetFullyQualifiedName() {
+    return "Attacker";
+  }
   enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
     VT_SWORD_ATTACK_DAMAGE = 4
   };
@@ -301,6 +316,7 @@
 };
 
 struct AttackerBuilder {
+  typedef Attacker Table;
   flatbuffers::FlatBufferBuilder &fbb_;
   flatbuffers::uoffset_t start_;
   void add_sword_attack_damage(int32_t sword_attack_damage) {
@@ -310,7 +326,6 @@
         : fbb_(_fbb) {
     start_ = fbb_.StartTable();
   }
-  AttackerBuilder &operator=(const AttackerBuilder &);
   flatbuffers::Offset<Attacker> Finish() {
     const auto end = fbb_.EndTable(start_);
     auto o = flatbuffers::Offset<Attacker>(end);
@@ -330,6 +345,9 @@
 
 struct MovieT : public flatbuffers::NativeTable {
   typedef Movie TableType;
+  static FLATBUFFERS_CONSTEXPR const char *GetFullyQualifiedName() {
+    return "MovieT";
+  }
   CharacterUnion main_character;
   std::vector<CharacterUnion> characters;
   MovieT() {
@@ -349,9 +367,13 @@
 
 struct Movie FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
   typedef MovieT NativeTableType;
+  typedef MovieBuilder Builder;
   static const flatbuffers::TypeTable *MiniReflectTypeTable() {
     return MovieTypeTable();
   }
+  static FLATBUFFERS_CONSTEXPR const char *GetFullyQualifiedName() {
+    return "Movie";
+  }
   enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
     VT_MAIN_CHARACTER_TYPE = 4,
     VT_MAIN_CHARACTER = 6,
@@ -361,9 +383,6 @@
   Character main_character_type() const {
     return static_cast<Character>(GetField<uint8_t>(VT_MAIN_CHARACTER_TYPE, 0));
   }
-  bool mutate_main_character_type(Character _main_character_type) {
-    return SetField<uint8_t>(VT_MAIN_CHARACTER_TYPE, static_cast<uint8_t>(_main_character_type), 0);
-  }
   const void *main_character() const {
     return GetPointer<const void *>(VT_MAIN_CHARACTER);
   }
@@ -418,6 +437,7 @@
 };
 
 struct MovieBuilder {
+  typedef Movie Table;
   flatbuffers::FlatBufferBuilder &fbb_;
   flatbuffers::uoffset_t start_;
   void add_main_character_type(Character main_character_type) {
@@ -436,7 +456,6 @@
         : fbb_(_fbb) {
     start_ = fbb_.StartTable();
   }
-  MovieBuilder &operator=(const MovieBuilder &);
   flatbuffers::Offset<Movie> Finish() {
     const auto end = fbb_.EndTable(start_);
     auto o = flatbuffers::Offset<Movie>(end);
@@ -477,15 +496,15 @@
 flatbuffers::Offset<Movie> CreateMovie(flatbuffers::FlatBufferBuilder &_fbb, const MovieT *_o, const flatbuffers::rehasher_function_t *_rehasher = nullptr);
 
 inline AttackerT *Attacker::UnPack(const flatbuffers::resolver_function_t *_resolver) const {
-  auto _o = new AttackerT();
-  UnPackTo(_o, _resolver);
-  return _o;
+  flatbuffers::unique_ptr<AttackerT> _o = flatbuffers::unique_ptr<AttackerT>(new AttackerT());
+  UnPackTo(_o.get(), _resolver);
+  return _o.release();
 }
 
 inline void Attacker::UnPackTo(AttackerT *_o, const flatbuffers::resolver_function_t *_resolver) const {
   (void)_o;
   (void)_resolver;
-  { auto _e = sword_attack_damage(); _o->sword_attack_damage = _e; };
+  { auto _e = sword_attack_damage(); _o->sword_attack_damage = _e; }
 }
 
 inline flatbuffers::Offset<Attacker> Attacker::Pack(flatbuffers::FlatBufferBuilder &_fbb, const AttackerT* _o, const flatbuffers::rehasher_function_t *_rehasher) {
@@ -503,18 +522,18 @@
 }
 
 inline MovieT *Movie::UnPack(const flatbuffers::resolver_function_t *_resolver) const {
-  auto _o = new MovieT();
-  UnPackTo(_o, _resolver);
-  return _o;
+  flatbuffers::unique_ptr<MovieT> _o = flatbuffers::unique_ptr<MovieT>(new MovieT());
+  UnPackTo(_o.get(), _resolver);
+  return _o.release();
 }
 
 inline void Movie::UnPackTo(MovieT *_o, const flatbuffers::resolver_function_t *_resolver) const {
   (void)_o;
   (void)_resolver;
-  { auto _e = main_character_type(); _o->main_character.type = _e; };
-  { auto _e = main_character(); if (_e) _o->main_character.value = CharacterUnion::UnPack(_e, main_character_type(), _resolver); };
-  { auto _e = characters_type(); if (_e) { _o->characters.resize(_e->size()); for (flatbuffers::uoffset_t _i = 0; _i < _e->size(); _i++) { _o->characters[_i].type = static_cast<Character>(_e->Get(_i)); } } };
-  { auto _e = characters(); if (_e) { _o->characters.resize(_e->size()); for (flatbuffers::uoffset_t _i = 0; _i < _e->size(); _i++) { _o->characters[_i].value = CharacterUnion::UnPack(_e->Get(_i), characters_type()->GetEnum<Character>(_i), _resolver); } } };
+  { auto _e = main_character_type(); _o->main_character.type = _e; }
+  { auto _e = main_character(); if (_e) _o->main_character.value = CharacterUnion::UnPack(_e, main_character_type(), _resolver); }
+  { auto _e = characters_type(); if (_e) { _o->characters.resize(_e->size()); for (flatbuffers::uoffset_t _i = 0; _i < _e->size(); _i++) { _o->characters[_i].type = static_cast<Character>(_e->Get(_i)); } } }
+  { auto _e = characters(); if (_e) { _o->characters.resize(_e->size()); for (flatbuffers::uoffset_t _i = 0; _i < _e->size(); _i++) { _o->characters[_i].value = CharacterUnion::UnPack(_e->Get(_i), characters_type()->GetEnum<Character>(_i), _resolver); } } }
 }
 
 inline flatbuffers::Offset<Movie> Movie::Pack(flatbuffers::FlatBufferBuilder &_fbb, const MovieT* _o, const flatbuffers::rehasher_function_t *_rehasher) {
@@ -563,7 +582,7 @@
       auto ptr = reinterpret_cast<const flatbuffers::String *>(obj);
       return verifier.VerifyString(ptr);
     }
-    default: return false;
+    default: return true;
   }
 }
 
@@ -639,7 +658,7 @@
   }
 }
 
-inline CharacterUnion::CharacterUnion(const CharacterUnion &u) FLATBUFFERS_NOEXCEPT : type(u.type), value(nullptr) {
+inline CharacterUnion::CharacterUnion(const CharacterUnion &u) : type(u.type), value(nullptr) {
   switch (type) {
     case Character_MuLan: {
       value = new AttackerT(*reinterpret_cast<AttackerT *>(u.value));
@@ -733,7 +752,7 @@
     "Unused"
   };
   static const flatbuffers::TypeTable tt = {
-    flatbuffers::ST_UNION, 7, type_codes, type_refs, nullptr, names
+    flatbuffers::ST_UNION, 7, type_codes, type_refs, nullptr, nullptr, names
   };
   return &tt;
 }
@@ -746,7 +765,7 @@
     "sword_attack_damage"
   };
   static const flatbuffers::TypeTable tt = {
-    flatbuffers::ST_TABLE, 1, type_codes, nullptr, nullptr, names
+    flatbuffers::ST_TABLE, 1, type_codes, nullptr, nullptr, nullptr, names
   };
   return &tt;
 }
@@ -760,7 +779,7 @@
     "hair_length"
   };
   static const flatbuffers::TypeTable tt = {
-    flatbuffers::ST_STRUCT, 1, type_codes, nullptr, values, names
+    flatbuffers::ST_STRUCT, 1, type_codes, nullptr, nullptr, values, names
   };
   return &tt;
 }
@@ -774,7 +793,7 @@
     "books_read"
   };
   static const flatbuffers::TypeTable tt = {
-    flatbuffers::ST_STRUCT, 1, type_codes, nullptr, values, names
+    flatbuffers::ST_STRUCT, 1, type_codes, nullptr, nullptr, values, names
   };
   return &tt;
 }
@@ -796,7 +815,7 @@
     "characters"
   };
   static const flatbuffers::TypeTable tt = {
-    flatbuffers::ST_TABLE, 4, type_codes, type_refs, nullptr, names
+    flatbuffers::ST_TABLE, 4, type_codes, type_refs, nullptr, nullptr, names
   };
   return &tt;
 }
diff --git a/tests/union_vector/union_vector_generated.js b/tests/union_vector/union_vector_generated.js
index 406cb2f..9e8b76e 100644
--- a/tests/union_vector/union_vector_generated.js
+++ b/tests/union_vector/union_vector_generated.js
@@ -17,13 +17,13 @@
  * @enum {string}
  */
 var CharacterName = {
-  0: 'NONE',
-  1: 'MuLan',
-  2: 'Rapunzel',
-  3: 'Belle',
-  4: 'BookFan',
-  5: 'Other',
-  6: 'Unused'
+  '0': 'NONE',
+  '1': 'MuLan',
+  '2': 'Rapunzel',
+  '3': 'Belle',
+  '4': 'BookFan',
+  '5': 'Other',
+  '6': 'Unused'
 };
 
 /**
@@ -67,6 +67,7 @@
  * @returns {Attacker}
  */
 Attacker.getSizePrefixedRootAsAttacker = function(bb, obj) {
+  bb.setPosition(bb.position() + flatbuffers.SIZE_PREFIX_LENGTH);
   return (obj || new Attacker).__init(bb.readInt32(bb.position()) + bb.position(), bb);
 };
 
@@ -94,6 +95,13 @@
 };
 
 /**
+ * @returns {string}
+ */
+Attacker.getFullyQualifiedName = function() {
+  return 'Attacker';
+}
+
+/**
  * @param {flatbuffers.Builder} builder
  */
 Attacker.startAttacker = function(builder) {
@@ -166,17 +174,25 @@
  * @returns {boolean}
  */
 Rapunzel.prototype.mutate_hair_length = function(value) {
-  var offset = this.bb.__offset(this.bb_pos, 0);
-
-  if (offset === 0) {
-    return false;
-  }
-
-  this.bb.writeInt32(this.bb_pos + offset, value);
+  this.bb.writeInt32(this.bb_pos + 0, value);
   return true;
 };
 
 /**
+ * @returns {string}
+ */
+Rapunzel.getFullyQualifiedName = function() {
+  return 'Rapunzel';
+}
+
+/**
+ * @returns {number}
+ */
+Rapunzel.sizeOf = function() {
+  return 4;
+}
+
+/**
  * @param {flatbuffers.Builder} builder
  * @param {number} hair_length
  * @returns {flatbuffers.Offset}
@@ -225,17 +241,25 @@
  * @returns {boolean}
  */
 BookReader.prototype.mutate_books_read = function(value) {
-  var offset = this.bb.__offset(this.bb_pos, 0);
-
-  if (offset === 0) {
-    return false;
-  }
-
-  this.bb.writeInt32(this.bb_pos + offset, value);
+  this.bb.writeInt32(this.bb_pos + 0, value);
   return true;
 };
 
 /**
+ * @returns {string}
+ */
+BookReader.getFullyQualifiedName = function() {
+  return 'BookReader';
+}
+
+/**
+ * @returns {number}
+ */
+BookReader.sizeOf = function() {
+  return 4;
+}
+
+/**
  * @param {flatbuffers.Builder} builder
  * @param {number} books_read
  * @returns {flatbuffers.Offset}
@@ -287,6 +311,7 @@
  * @returns {Movie}
  */
 Movie.getSizePrefixedRootAsMovie = function(bb, obj) {
+  bb.setPosition(bb.position() + flatbuffers.SIZE_PREFIX_LENGTH);
   return (obj || new Movie).__init(bb.readInt32(bb.position()) + bb.position(), bb);
 };
 
@@ -307,21 +332,6 @@
 };
 
 /**
- * @param {Character} value
- * @returns {boolean}
- */
-Movie.prototype.mutate_main_character_type = function(value) {
-  var offset = this.bb.__offset(this.bb_pos, 4);
-
-  if (offset === 0) {
-    return false;
-  }
-
-  this.bb.writeUint8(this.bb_pos + offset, value);
-  return true;
-};
-
-/**
  * @param {flatbuffers.Table} obj
  * @returns {?flatbuffers.Table}
  */
@@ -374,6 +384,13 @@
 };
 
 /**
+ * @returns {string}
+ */
+Movie.getFullyQualifiedName = function() {
+  return 'Movie';
+}
+
+/**
  * @param {flatbuffers.Builder} builder
  */
 Movie.startMovie = function(builder) {
diff --git a/tests/union_vector/union_vector_generated.ts b/tests/union_vector/union_vector_generated.ts
index 642f672..806c07f 100644
--- a/tests/union_vector/union_vector_generated.ts
+++ b/tests/union_vector/union_vector_generated.ts
@@ -1,5 +1,6 @@
 // automatically generated by the FlatBuffers compiler, do not modify
 
+import * as flatbuffers from 'flatbuffers';
 /**
  * @enum {number}
  */
@@ -13,6 +14,39 @@
   Unused= 6
 };
 
+export function unionToCharacter(
+  type: Character,
+  accessor: (obj:Attacker|BookReader|Rapunzel|string) => Attacker|BookReader|Rapunzel|string|null
+): Attacker|BookReader|Rapunzel|string|null {
+  switch(Character[type]) {
+    case 'NONE': return null; 
+    case 'MuLan': return accessor(new Attacker())! as Attacker;
+    case 'Rapunzel': return accessor(new Rapunzel())! as Rapunzel;
+    case 'Belle': return accessor(new BookReader())! as BookReader;
+    case 'BookFan': return accessor(new BookReader())! as BookReader;
+    case 'Other': return accessor('') as string;
+    case 'Unused': return accessor('') as string;
+    default: return null;
+  }
+}
+
+export function unionListToCharacter(
+  type: Character, 
+  accessor: (index: number, obj:Attacker|BookReader|Rapunzel|string) => Attacker|BookReader|Rapunzel|string|null, 
+  index: number
+): Attacker|BookReader|Rapunzel|string|null {
+  switch(Character[type]) {
+    case 'NONE': return null; 
+    case 'MuLan': return accessor(index, new Attacker())! as Attacker;
+    case 'Rapunzel': return accessor(index, new Rapunzel())! as Rapunzel;
+    case 'Belle': return accessor(index, new BookReader())! as BookReader;
+    case 'BookFan': return accessor(index, new BookReader())! as BookReader;
+    case 'Other': return accessor(index, '') as string;
+    case 'Unused': return accessor(index, '') as string;
+    default: return null;
+  }
+}
+
 /**
  * @constructor
  */
@@ -37,7 +71,7 @@
  * @returns Attacker
  */
 static getRootAsAttacker(bb:flatbuffers.ByteBuffer, obj?:Attacker):Attacker {
-  return (obj || new Attacker).__init(bb.readInt32(bb.position()) + bb.position(), bb);
+  return (obj || new Attacker()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
 };
 
 /**
@@ -46,7 +80,8 @@
  * @returns Attacker
  */
 static getSizePrefixedRootAsAttacker(bb:flatbuffers.ByteBuffer, obj?:Attacker):Attacker {
-  return (obj || new Attacker).__init(bb.readInt32(bb.position()) + bb.position(), bb);
+  bb.setPosition(bb.position() + flatbuffers.SIZE_PREFIX_LENGTH);
+  return (obj || new Attacker()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
 };
 
 /**
@@ -73,6 +108,13 @@
 };
 
 /**
+ * @returns string
+ */
+static getFullyQualifiedName():string {
+  return 'Attacker';
+}
+
+/**
  * @param flatbuffers.Builder builder
  */
 static startAttacker(builder:flatbuffers.Builder) {
@@ -101,6 +143,42 @@
   Attacker.addSwordAttackDamage(builder, swordAttackDamage);
   return Attacker.endAttacker(builder);
 }
+
+/**
+ * @returns AttackerT
+ */
+unpack(): AttackerT {
+  return new AttackerT(
+    this.swordAttackDamage()
+  );
+};
+
+/**
+ * @param AttackerT _o
+ */
+unpackTo(_o: AttackerT): void {
+  _o.swordAttackDamage = this.swordAttackDamage();
+};
+}
+
+export class AttackerT {
+/**
+ * @constructor
+ * @param number swordAttackDamage
+ */
+constructor(
+  public swordAttackDamage: number = 0
+){};
+
+/**
+ * @param flatbuffers.Builder builder
+ * @returns flatbuffers.Offset
+ */
+pack(builder:flatbuffers.Builder): flatbuffers.Offset {
+  return Attacker.createAttacker(builder,
+    this.swordAttackDamage
+  );
+};
 }
 /**
  * @constructor
@@ -132,17 +210,25 @@
  * @returns boolean
  */
 mutate_hair_length(value:number):boolean {
-  var offset = this.bb!.__offset(this.bb_pos, 0);
-
-  if (offset === 0) {
-    return false;
-  }
-
-  this.bb!.writeInt32(this.bb_pos + offset, value);
+  this.bb!.writeInt32(this.bb_pos + 0, value);
   return true;
 };
 
 /**
+ * @returns string
+ */
+static getFullyQualifiedName():string {
+  return 'Rapunzel';
+}
+
+/**
+ * @returns number
+ */
+static sizeOf():number {
+  return 4;
+}
+
+/**
  * @param flatbuffers.Builder builder
  * @param number hair_length
  * @returns flatbuffers.Offset
@@ -153,6 +239,42 @@
   return builder.offset();
 };
 
+
+/**
+ * @returns RapunzelT
+ */
+unpack(): RapunzelT {
+  return new RapunzelT(
+    this.hairLength()
+  );
+};
+
+/**
+ * @param RapunzelT _o
+ */
+unpackTo(_o: RapunzelT): void {
+  _o.hairLength = this.hairLength();
+};
+}
+
+export class RapunzelT {
+/**
+ * @constructor
+ * @param number hairLength
+ */
+constructor(
+  public hairLength: number = 0
+){};
+
+/**
+ * @param flatbuffers.Builder builder
+ * @returns flatbuffers.Offset
+ */
+pack(builder:flatbuffers.Builder): flatbuffers.Offset {
+  return Rapunzel.createRapunzel(builder,
+    this.hairLength
+  );
+};
 }
 /**
  * @constructor
@@ -184,17 +306,25 @@
  * @returns boolean
  */
 mutate_books_read(value:number):boolean {
-  var offset = this.bb!.__offset(this.bb_pos, 0);
-
-  if (offset === 0) {
-    return false;
-  }
-
-  this.bb!.writeInt32(this.bb_pos + offset, value);
+  this.bb!.writeInt32(this.bb_pos + 0, value);
   return true;
 };
 
 /**
+ * @returns string
+ */
+static getFullyQualifiedName():string {
+  return 'BookReader';
+}
+
+/**
+ * @returns number
+ */
+static sizeOf():number {
+  return 4;
+}
+
+/**
  * @param flatbuffers.Builder builder
  * @param number books_read
  * @returns flatbuffers.Offset
@@ -205,6 +335,42 @@
   return builder.offset();
 };
 
+
+/**
+ * @returns BookReaderT
+ */
+unpack(): BookReaderT {
+  return new BookReaderT(
+    this.booksRead()
+  );
+};
+
+/**
+ * @param BookReaderT _o
+ */
+unpackTo(_o: BookReaderT): void {
+  _o.booksRead = this.booksRead();
+};
+}
+
+export class BookReaderT {
+/**
+ * @constructor
+ * @param number booksRead
+ */
+constructor(
+  public booksRead: number = 0
+){};
+
+/**
+ * @param flatbuffers.Builder builder
+ * @returns flatbuffers.Offset
+ */
+pack(builder:flatbuffers.Builder): flatbuffers.Offset {
+  return BookReader.createBookReader(builder,
+    this.booksRead
+  );
+};
 }
 /**
  * @constructor
@@ -230,7 +396,7 @@
  * @returns Movie
  */
 static getRootAsMovie(bb:flatbuffers.ByteBuffer, obj?:Movie):Movie {
-  return (obj || new Movie).__init(bb.readInt32(bb.position()) + bb.position(), bb);
+  return (obj || new Movie()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
 };
 
 /**
@@ -239,7 +405,8 @@
  * @returns Movie
  */
 static getSizePrefixedRootAsMovie(bb:flatbuffers.ByteBuffer, obj?:Movie):Movie {
-  return (obj || new Movie).__init(bb.readInt32(bb.position()) + bb.position(), bb);
+  bb.setPosition(bb.position() + flatbuffers.SIZE_PREFIX_LENGTH);
+  return (obj || new Movie()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
 };
 
 /**
@@ -259,27 +426,12 @@
 };
 
 /**
- * @param Character value
- * @returns boolean
- */
-mutate_main_character_type(value:Character):boolean {
-  var offset = this.bb!.__offset(this.bb_pos, 4);
-
-  if (offset === 0) {
-    return false;
-  }
-
-  this.bb!.writeUint8(this.bb_pos + offset, value);
-  return true;
-};
-
-/**
  * @param flatbuffers.Table obj
  * @returns ?flatbuffers.Table
  */
-mainCharacter<T extends flatbuffers.Table>(obj:T):T|null {
+mainCharacter<T extends flatbuffers.Table>(obj:T|string):T|string|null {
   var offset = this.bb!.__offset(this.bb_pos, 6);
-  return offset ? this.bb!.__union(obj, this.bb_pos + offset) : null;
+  return offset ? this.bb!.__union_with_string(obj, this.bb_pos + offset) : null;
 };
 
 /**
@@ -312,9 +464,9 @@
  * @param flatbuffers.Table= obj
  * @returns ?flatbuffers.Table
  */
-characters<T extends flatbuffers.Table>(index: number, obj:T):T|null {
+characters<T extends flatbuffers.Table>(index: number, obj:T|string):T|string|null {
   var offset = this.bb!.__offset(this.bb_pos, 10);
-  return offset ? this.bb!.__union(obj, this.bb!.__vector(this.bb_pos + offset) + index * 4) : null;
+  return offset ? this.bb!.__union_with_string(obj, this.bb!.__vector(this.bb_pos + offset) + index * 4) : null;
 };
 
 /**
@@ -326,6 +478,13 @@
 };
 
 /**
+ * @returns string
+ */
+static getFullyQualifiedName():string {
+  return 'Movie';
+}
+
+/**
  * @param flatbuffers.Builder builder
  */
 static startMovie(builder:flatbuffers.Builder) {
@@ -439,4 +598,93 @@
   Movie.addCharacters(builder, charactersOffset);
   return Movie.endMovie(builder);
 }
+
+/**
+ * @returns MovieT
+ */
+unpack(): MovieT {
+  return new MovieT(
+    this.mainCharacterType(),
+    (() => {
+      let temp = unionToCharacter(this.mainCharacterType(), this.mainCharacter.bind(this));
+      if(temp === null) { return null; }
+      if(typeof temp === 'string') { return temp; }
+      return temp.unpack()
+  })(),
+    this.bb!.createScalarList(this.charactersType.bind(this), this.charactersTypeLength()),
+    (() => {
+    let ret = [];
+    for(let targetEnumIndex = 0; targetEnumIndex < this.charactersTypeLength(); ++targetEnumIndex) {
+      let targetEnum = this.charactersType(targetEnumIndex);
+      if(targetEnum === null || Character[targetEnum!] === 'NONE') { continue; }
+
+      let temp = unionListToCharacter(targetEnum, this.characters.bind(this), targetEnumIndex);
+      if(temp === null) { continue; }
+      if(typeof temp === 'string') { ret.push(temp); continue; }
+      ret.push(temp.unpack());
+    }
+    return ret;
+  })()
+  );
+};
+
+/**
+ * @param MovieT _o
+ */
+unpackTo(_o: MovieT): void {
+  _o.mainCharacterType = this.mainCharacterType();
+  _o.mainCharacter = (() => {
+      let temp = unionToCharacter(this.mainCharacterType(), this.mainCharacter.bind(this));
+      if(temp === null) { return null; }
+      if(typeof temp === 'string') { return temp; }
+      return temp.unpack()
+  })();
+  _o.charactersType = this.bb!.createScalarList(this.charactersType.bind(this), this.charactersTypeLength());
+  _o.characters = (() => {
+    let ret = [];
+    for(let targetEnumIndex = 0; targetEnumIndex < this.charactersTypeLength(); ++targetEnumIndex) {
+      let targetEnum = this.charactersType(targetEnumIndex);
+      if(targetEnum === null || Character[targetEnum!] === 'NONE') { continue; }
+
+      let temp = unionListToCharacter(targetEnum, this.characters.bind(this), targetEnumIndex);
+      if(temp === null) { continue; }
+      if(typeof temp === 'string') { ret.push(temp); continue; }
+      ret.push(temp.unpack());
+    }
+    return ret;
+  })();
+};
+}
+
+export class MovieT {
+/**
+ * @constructor
+ * @param Character mainCharacterType
+ * @param AttackerT|BookReaderT|RapunzelT|string|null mainCharacter
+ * @param (Character)[] charactersType
+ * @param (AttackerT|BookReaderT|RapunzelT|string)[] characters
+ */
+constructor(
+  public mainCharacterType: Character = Character.NONE,
+  public mainCharacter: AttackerT|BookReaderT|RapunzelT|string|null = null,
+  public charactersType: (Character)[] = [],
+  public characters: (AttackerT|BookReaderT|RapunzelT|string)[] = []
+){};
+
+/**
+ * @param flatbuffers.Builder builder
+ * @returns flatbuffers.Offset
+ */
+pack(builder:flatbuffers.Builder): flatbuffers.Offset {
+  const mainCharacter = builder.createObjectOffset(this.mainCharacter);
+  const charactersType = Movie.createCharactersTypeVector(builder, this.charactersType);
+  const characters = Movie.createCharactersVector(builder, builder.createObjectOffsetList(this.characters));
+
+  return Movie.createMovie(builder,
+    this.mainCharacterType,
+    mainCharacter,
+    charactersType,
+    characters
+  );
+};
 }