1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <tuple> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class... Types> class tuple; 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class... UTypes> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// explicit tuple(UTypes&&... u); 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 175cb52824fc2a0caf233311e91d9a2a53368f04adDan Albert// UNSUPPORTED: c++98, c++03 185cb52824fc2a0caf233311e91d9a2a53368f04adDan Albert 19dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant/* 20dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant This is testing an extension whereby only Types having an explicit conversion 21dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant from UTypes are bound by the explicit tuple constructor. 22dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant*/ 23dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <tuple> 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 27dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnantclass MoveOnly 28dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant{ 29dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant MoveOnly(const MoveOnly&); 30dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant MoveOnly& operator=(const MoveOnly&); 31dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant 32dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant int data_; 33dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnantpublic: 34dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant explicit MoveOnly(int data = 1) : data_(data) {} 35dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant MoveOnly(MoveOnly&& x) 36dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant : data_(x.data_) {x.data_ = 0;} 37dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant MoveOnly& operator=(MoveOnly&& x) 38dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant {data_ = x.data_; x.data_ = 0; return *this;} 39dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant 40dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant int get() const {return data_;} 41dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant 42dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant bool operator==(const MoveOnly& x) const {return data_ == x.data_;} 43dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant bool operator< (const MoveOnly& x) const {return data_ < x.data_;} 44dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant}; 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 49dc1345fd4446b30f70a80c25db923ac09f14ade7Howard Hinnant std::tuple<MoveOnly> t = 1; 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 52