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// template<class E> class initializer_list; 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// const E* begin() const; 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// const E* end() const; 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// size_t size() const; 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <initializer_list> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 19e3e3291f3ab4af96b0403cf6e255c833143ae3f1Howard Hinnant#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 20e3e3291f3ab4af96b0403cf6e255c833143ae3f1Howard Hinnant 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstruct A 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant A(std::initializer_list<int> il) 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const int* b = il.begin(); 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const int* e = il.end(); 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(il.size() == 3); 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(e - b == il.size()); 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*b++ == 3); 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*b++ == 2); 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*b++ == 1); 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 35e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant#if _LIBCPP_STD_VER > 11 36e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnantstruct B 37e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant{ 38e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant constexpr B(std::initializer_list<int> il) 39e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant { 40e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant const int* b = il.begin(); 41e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant const int* e = il.end(); 42e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant assert(il.size() == 3); 43e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant assert(e - b == il.size()); 44e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant assert(*b++ == 3); 45e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant assert(*b++ == 2); 46e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant assert(*b++ == 1); 47e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant } 48e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant}; 49e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant 50e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant#endif // _LIBCPP_STD_VER > 11 51e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant 52e3e3291f3ab4af96b0403cf6e255c833143ae3f1Howard Hinnant#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 53e3e3291f3ab4af96b0403cf6e255c833143ae3f1Howard Hinnant 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 56e3e3291f3ab4af96b0403cf6e255c833143ae3f1Howard Hinnant#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant A test1 = {3, 2, 1}; 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif 59e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant#if _LIBCPP_STD_VER > 11 60e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant constexpr B test2 = {3, 2, 1}; 61e1c5f9ec1bc994b04602c7aabb6b8f9d738201feHoward Hinnant#endif // _LIBCPP_STD_VER > 11 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 63