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 // <utility> 11 12 // template <class T1, class T2> struct pair 13 14 // pair(const T1& x, const T2& y); 15 16 #include <utility> 17 #include <cassert> 18 19 class A 20 { 21 int data_; 22 public: 23 A(int data) : data_(data) {} 24 25 bool operator==(const A& a) const {return data_ == a.data_;} 26 }; 27 28 int main() 29 { 30 { 31 typedef std::pair<float, short*> P; 32 P p(3.5f, 0); 33 assert(p.first == 3.5f); 34 assert(p.second == nullptr); 35 } 36 { 37 typedef std::pair<A, int> P; 38 P p(1, 2); 39 assert(p.first == A(1)); 40 assert(p.second == 2); 41 } 42 } 43
