1 //===-- sanitizer_type_traits.h ---------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // Implements a subset of C++ type traits. This is so we can avoid depending 11 // on system C++ headers. 12 // 13 //===----------------------------------------------------------------------===// 14 #ifndef SANITIZER_TYPE_TRAITS_H 15 #define SANITIZER_TYPE_TRAITS_H 16 17 namespace __sanitizer { 18 19 struct true_type { 20 static const bool value = true; 21 }; 22 23 struct false_type { 24 static const bool value = false; 25 }; 26 27 // is_same<T, U> 28 // 29 // Type trait to compare if types are the same. 30 // E.g. 31 // 32 // ``` 33 // is_same<int,int>::value - True 34 // is_same<int,char>::value - False 35 // ``` 36 template <typename T, typename U> 37 struct is_same : public false_type {}; 38 39 template <typename T> 40 struct is_same<T, T> : public true_type {}; 41 42 } // namespace __sanitizer 43 44 #endif 45
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