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 // iterator begin(); 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 struct NoDefault { 24 NoDefault(int) {} 25 }; 26 27 28 int main() 29 { 30 { 31 typedef double T; 32 typedef std::array<T, 3> C; 33 C c = {1, 2, 3.5}; 34 C::iterator i; 35 i = c.begin(); 36 assert(*i == 1); 37 assert(&*i == c.data()); 38 *i = 5.5; 39 assert(c[0] == 5.5); 40 } 41 { 42 typedef NoDefault T; 43 typedef std::array<T, 0> C; 44 C c = {}; 45 C::iterator ib, ie; 46 ib = c.begin(); 47 ie = c.end(); 48 assert(ib == ie); 49 LIBCPP_ASSERT(ib != nullptr); 50 LIBCPP_ASSERT(ie != nullptr); 51 } 52 } 53
