remove_cvref.pass.cpp (1670B)
1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 11 12 // type_traits 13 14 // remove_cvref 15 16 #include <type_traits> 17 18 #include "test_macros.h" 19 20 template <class T, class U> 21 void test_remove_cvref() 22 { 23 static_assert((std::is_same<typename std::remove_cvref<T>::type, U>::value), ""); 24 static_assert((std::is_same< std::remove_cvref_t<T>, U>::value), ""); 25 } 26 27 int main() 28 { 29 test_remove_cvref<void, void>(); 30 test_remove_cvref<int, int>(); 31 test_remove_cvref<const int, int>(); 32 test_remove_cvref<const volatile int, int>(); 33 test_remove_cvref<volatile int, int>(); 34 35 // Doesn't decay 36 test_remove_cvref<int[3], int[3]>(); 37 test_remove_cvref<int const [3], int[3]>(); 38 test_remove_cvref<int volatile [3], int[3]>(); 39 test_remove_cvref<int const volatile [3], int[3]>(); 40 test_remove_cvref<void(), void ()>(); 41 42 test_remove_cvref<int &, int>(); 43 test_remove_cvref<const int &, int>(); 44 test_remove_cvref<const volatile int &, int>(); 45 test_remove_cvref<volatile int &, int>(); 46 47 test_remove_cvref<int*, int*>(); 48 test_remove_cvref<int(int) const, int(int) const>(); 49 test_remove_cvref<int(int) volatile, int(int) volatile>(); 50 test_remove_cvref<int(int) &, int(int) &>(); 51 test_remove_cvref<int(int) &&, int(int) &&>(); 52 }