1 //===-- is_same type_traits -------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 #ifndef LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_SAME_H 9 #define LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_SAME_H 10 11 #include "src/__support/CPP/type_traits/false_type.h" 12 #include "src/__support/CPP/type_traits/true_type.h" 13 #include "src/__support/macros/attributes.h" 14 #include "src/__support/macros/config.h" 15 16 namespace LIBC_NAMESPACE_DECL { 17 namespace cpp { 18 19 // is_same 20 template <typename T, typename U> struct is_same : cpp::false_type {}; 21 template <typename T> struct is_same<T, T> : cpp::true_type {}; 22 template <typename T, typename U> 23 LIBC_INLINE_VAR constexpr bool is_same_v = is_same<T, U>::value; 24 25 } // namespace cpp 26 } // namespace LIBC_NAMESPACE_DECL 27 28 #endif // LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_SAME_H 29