Squashed 'third_party/boostorg/function/' content from commit feea196

Change-Id: Iaf916451dad887c577d5822d9cf181f90957e080
git-subtree-dir: third_party/boostorg/function
git-subtree-split: feea19660bcac246fc054f0a890415d01e884c4b
diff --git a/Jamfile b/Jamfile
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+#  Boost.Function Library Jamfile
+#
+#  Copyright (c) 2018 James E. King III
+#
+#  Use, modification, and distribution are subject to the
+#  Boost Software License, Version 1.0. (See accompanying file
+#  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+# please order by name to ease maintenance
+build-project example ;
+build-project test ;