This unique_ptr implementation is based on C++14, including make_unique functions. Large parte of the testsuite is based on Howard Hinnant's unique_ptr emulation testsuite.
- Changed move_if_noexcept with a single function
- Changed test case to use boost/core/lightweight_test.hpp
- Added boost::is_nothrow_move_constructible<T>::value to is_nothrow_move_constructible_or_uncopyable so types with only a non-throwing move constructor is forwarded with move_if_noexcept.
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