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