Brian Silverman | 50051a9 | 2018-08-04 20:43:41 -0700 | [diff] [blame^] | 1 | // (C) Copyright John Maddock 2000. |
| 2 | // Use, modification and distribution are subject to the |
| 3 | // Boost Software License, Version 1.0. (See accompanying file |
| 4 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 5 | |
| 6 | // See http://www.boost.org for most recent version including documentation. |
| 7 | |
| 8 | #include <climits> |
| 9 | #include <boost/limits.hpp> |
| 10 | #include <boost/static_assert.hpp> |
| 11 | |
| 12 | template <class UnsignedInt> |
| 13 | class myclass |
| 14 | { |
| 15 | private: |
| 16 | BOOST_STATIC_ASSERT(sizeof(UnsignedInt) * CHAR_BIT >= 16); |
| 17 | BOOST_STATIC_ASSERT(std::numeric_limits<UnsignedInt>::is_specialized |
| 18 | && std::numeric_limits<UnsignedInt>::is_integer |
| 19 | && !std::numeric_limits<UnsignedInt>::is_signed); |
| 20 | public: |
| 21 | /* details here */ |
| 22 | }; |
| 23 | |
| 24 | myclass<int> m2; // this should fail |
| 25 | myclass<unsigned char> m3; // and so should this |
| 26 | |
| 27 | int main() |
| 28 | { |
| 29 | return 0; |
| 30 | } |
| 31 | |