6063ec176d
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@131291 91177308-0d34-0410-b5e6-96231b3b80d8
39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// type_traits
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// is_assignable
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#include <type_traits>
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struct A
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{
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};
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struct B
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{
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void operator=(A);
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};
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int main()
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{
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static_assert(( std::is_assignable<int&, int&>::value), "");
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static_assert(( std::is_assignable<int&, int>::value), "");
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static_assert((!std::is_assignable<int, int&>::value), "");
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static_assert((!std::is_assignable<int, int>::value), "");
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static_assert(( std::is_assignable<int&, double>::value), "");
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static_assert(( std::is_assignable<B, A>::value), "");
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static_assert((!std::is_assignable<A, B>::value), "");
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static_assert((!std::is_assignable<void, const void>::value), "");
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static_assert((!std::is_assignable<const void, const void>::value), "");
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static_assert(( std::is_assignable<void*&, void*>::value), "");
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static_assert((!std::is_assignable<int(), int>::value), "");
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}
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