libcxx/test/std/iterators/iterator.range/begin_array.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <iterator>
  10
  11 // template <class T, size_t N> T* begin(T (&array)[N]);
  12
  13 #include <iterator>
  14 #include <cassert>
  15
  16 #include "test_macros.h"
  17
  18 int main(int, char**)
  19 {
  20     int ia[] = {1, 2, 3};
  21     int* i = std::begin(ia);
  22     assert(*i == 1);
  23     *i = 2;
  24     assert(ia[0] == 2);
  25
  26   return 0;
  27 }