c52f43e72d
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111767 91177308-0d34-0410-b5e6-96231b3b80d8
60 lines
1.4 KiB
C++
60 lines
1.4 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 distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// type_traits
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// is_same
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#include <type_traits>
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template <class T, class U>
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void test_is_same()
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{
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static_assert((std::is_same<T, U>::value), "");
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static_assert((!std::is_same<const T, U>::value), "");
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static_assert((!std::is_same<T, const U>::value), "");
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static_assert((std::is_same<const T, const U>::value), "");
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}
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template <class T, class U>
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void test_is_same_ref()
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{
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static_assert((std::is_same<T, U>::value), "");
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static_assert((std::is_same<const T, U>::value), "");
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static_assert((std::is_same<T, const U>::value), "");
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static_assert((std::is_same<const T, const U>::value), "");
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}
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template <class T, class U>
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void test_is_not_same()
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{
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static_assert((!std::is_same<T, U>::value), "");
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}
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class Class
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{
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public:
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~Class();
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};
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int main()
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{
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test_is_same<int, int>();
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test_is_same<void, void>();
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test_is_same<Class, Class>();
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test_is_same<int*, int*>();
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test_is_same_ref<int&, int&>();
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test_is_not_same<int, void>();
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test_is_not_same<void, Class>();
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test_is_not_same<Class, int*>();
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test_is_not_same<int*, int&>();
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test_is_not_same<int&, int>();
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}
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