| //===-- sanitizer_type_traits.h ---------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Implements a subset of C++ type traits. This is so we can avoid depending |
| // on system C++ headers. |
| // |
| //===----------------------------------------------------------------------===// |
| #ifndef SANITIZER_TYPE_TRAITS_H |
| #define SANITIZER_TYPE_TRAITS_H |
| |
| namespace __sanitizer { |
| |
| struct true_type { |
| static const bool value = true; |
| }; |
| |
| struct false_type { |
| static const bool value = false; |
| }; |
| |
| // is_same<T, U> |
| // |
| // Type trait to compare if types are the same. |
| // E.g. |
| // |
| // ``` |
| // is_same<int,int>::value - True |
| // is_same<int,char>::value - False |
| // ``` |
| template <typename T, typename U> |
| struct is_same : public false_type {}; |
| |
| template <typename T> |
| struct is_same<T, T> : public true_type {}; |
| |
| } // namespace __sanitizer |
| |
| #endif |
