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// <vector> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class... Args> void emplace_back(Args&&... args); 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <vector> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../stack_allocator.h" 17061d0cc4db18d17bf01ed14c5db0be098205bd47Marshall Clow#include "min_allocator.h" 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 1973d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantclass A 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int i_; 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant double d_; 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant A(const A&); 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant A& operator=(const A&); 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantpublic: 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant A(int i, double d) 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant : i_(i), d_(d) {} 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant A(A&& a) 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant : i_(a.i_), 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant d_(a.d_) 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant a.i_ = 0; 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant a.d_ = 0; 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant A& operator=(A&& a) 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i_ = a.i_; 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant d_ = a.d_; 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant a.i_ = 0; 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant a.d_ = 0; 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant return *this; 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int geti() const {return i_;} 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant double getd() const {return d_;} 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 5373d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 5773d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::vector<A> c; 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant c.emplace_back(2, 3.5); 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.size() == 1); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.front().geti() == 2); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.front().getd() == 3.5); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant c.emplace_back(3, 4.5); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.size() == 2); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.front().geti() == 2); 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.front().getd() == 3.5); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.back().geti() == 3); 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.back().getd() == 4.5); 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::vector<A, stack_allocator<A, 4> > c; 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant c.emplace_back(2, 3.5); 74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.size() == 1); 75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.front().geti() == 2); 76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.front().getd() == 3.5); 77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant c.emplace_back(3, 4.5); 78bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.size() == 2); 79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.front().geti() == 2); 80bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.front().getd() == 3.5); 81bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.back().geti() == 3); 82bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.back().getd() == 4.5); 83bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 842c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant#if __cplusplus >= 201103L 852c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant { 862c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant std::vector<A, min_allocator<A>> c; 872c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant c.emplace_back(2, 3.5); 882c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant assert(c.size() == 1); 892c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant assert(c.front().geti() == 2); 902c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant assert(c.front().getd() == 3.5); 912c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant c.emplace_back(3, 4.5); 922c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant assert(c.size() == 2); 932c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant assert(c.front().geti() == 2); 942c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant assert(c.front().getd() == 3.5); 952c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant assert(c.back().geti() == 3); 962c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant assert(c.back().getd() == 4.5); 972c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant } 982c39cbe0207908bca2e1da40e16cbc443d2e7438Howard Hinnant#endif 9973d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 100bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 101