//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <utility> // template <class T1, class T2> struct pair // pair(const T1& x, const T2& y); #include <utility> #include <cassert> class A { int data_; public: A(int data) : data_(data) {} bool operator==(const A& a) {return data_ == a.data_;} }; int main() { { typedef std::pair<float, short*> P; P p(3.5f, 0); assert(p.first == 3.5f); assert(p.second == nullptr); } { typedef std::pair<A, int> P; P p(1, 2); assert(p.first == A(1)); assert(p.second == 2); } }