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