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 // <array> 11 12 // array(); 13 14 #include <array> 15 #include <cassert> 16 17 // std::array is explicitly allowed to be initialized with A a = { init-list };. 18 // Disable the missing braces warning for this reason. 19 #include "disable_missing_braces_warning.h" 20 21 struct NoDefault { 22 NoDefault(int) {} 23 }; 24 25 int main() 26 { 27 { 28 typedef double T; 29 typedef std::array<T, 3> C; 30 C c; 31 assert(c.size() == 3); 32 } 33 { 34 typedef double T; 35 typedef std::array<T, 0> C; 36 C c; 37 assert(c.size() == 0); 38 } 39 { 40 typedef std::array<NoDefault, 0> C; 41 C c; 42 assert(c.size() == 0); 43 C c1 = {}; 44 assert(c1.size() == 0); 45 C c2 = {{}}; 46 assert(c2.size() == 0); 47 } 48 } 49
