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 #ifndef EMPLACEABLE_H 11 #define EMPLACEABLE_H 12 13 #include <utility> 14 #include "test_macros.h" 15 16 #if TEST_STD_VER >= 11 17 18 class Emplaceable 19 { 20 Emplaceable(const Emplaceable&); 21 Emplaceable& operator=(const Emplaceable&); 22 23 int int_; 24 double double_; 25 public: 26 Emplaceable() : int_(0), double_(0) {} 27 Emplaceable(int i, double d) : int_(i), double_(d) {} 28 Emplaceable(Emplaceable&& x) 29 : int_(x.int_), double_(x.double_) 30 {x.int_ = 0; x.double_ = 0;} 31 Emplaceable& operator=(Emplaceable&& x) 32 {int_ = x.int_; x.int_ = 0; 33 double_ = x.double_; x.double_ = 0; 34 return *this;} 35 36 bool operator==(const Emplaceable& x) const 37 {return int_ == x.int_ && double_ == x.double_;} 38 bool operator<(const Emplaceable& x) const 39 {return int_ < x.int_ || (int_ == x.int_ && double_ < x.double_);} 40 41 int get() const {return int_;} 42 }; 43 44 namespace std { 45 46 template <> 47 struct hash<Emplaceable> 48 { 49 typedef Emplaceable argument_type; 50 typedef std::size_t result_type; 51 52 std::size_t operator()(const Emplaceable& x) const {return x.get();} 53 }; 54 55 } 56 57 #endif // TEST_STD_VER >= 11 58 #endif // EMPLACEABLE_H 59
