1 //===-- integral_constant 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_INTEGRAL_CONSTANT_H 9 #define LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_INTEGRAL_CONSTANT_H 10 11 #include "src/__support/macros/attributes.h" // LIBC_INLINE_VAR 12 #include "src/__support/macros/config.h" 13 14 namespace LIBC_NAMESPACE_DECL { 15 namespace cpp { 16 17 // integral_constant 18 template <typename T, T v> struct integral_constant { 19 using value_type = T; 20 LIBC_INLINE_VAR static constexpr T value = v; 21 }; 22 23 } // namespace cpp 24 } // namespace LIBC_NAMESPACE_DECL 25 26 #endif // LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_INTEGRAL_CONSTANT_H 27