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 // template <size_t I, class T, size_t N> const T& get(const array<T, N>& a); 13 14 #include <array> 15 #include <cassert> 16 17 #include "test_macros.h" 18 19 // std::array is explicitly allowed to be initialized with A a = { init-list };. 20 // Disable the missing braces warning for this reason. 21 #include "disable_missing_braces_warning.h" 22 23 int main() 24 { 25 { 26 typedef double T; 27 typedef std::array<T, 3> C; 28 const C c = {1, 2, 3.5}; 29 assert(std::get<0>(c) == 1); 30 assert(std::get<1>(c) == 2); 31 assert(std::get<2>(c) == 3.5); 32 } 33 #if TEST_STD_VER > 11 34 { 35 typedef double T; 36 typedef std::array<T, 3> C; 37 constexpr const C c = {1, 2, 3.5}; 38 static_assert(std::get<0>(c) == 1, ""); 39 static_assert(std::get<1>(c) == 2, ""); 40 static_assert(std::get<2>(c) == 3.5, ""); 41 } 42 #endif 43 } 44