| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // type_traits |
| |
| // is_assignable |
| |
| #include <type_traits> |
| |
| struct A |
| { |
| }; |
| |
| struct B |
| { |
| void operator=(A); |
| }; |
| |
| int main() |
| { |
| static_assert(( std::is_assignable<int&, int&>::value), ""); |
| static_assert(( std::is_assignable<int&, int>::value), ""); |
| static_assert((!std::is_assignable<int, int&>::value), ""); |
| static_assert((!std::is_assignable<int, int>::value), ""); |
| static_assert(( std::is_assignable<int&, double>::value), ""); |
| static_assert(( std::is_assignable<B, A>::value), ""); |
| static_assert((!std::is_assignable<A, B>::value), ""); |
| static_assert((!std::is_assignable<void, const void>::value), ""); |
| static_assert((!std::is_assignable<const void, const void>::value), ""); |
| static_assert(( std::is_assignable<void*&, void*>::value), ""); |
| static_assert((!std::is_assignable<int(), int>::value), ""); |
| } |