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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <iterator>
// class istream_iterator
// istream_iterator(istream_type& s);
#include <iterator>
#include <sstream>
#include <cassert>
int main(int, char**)
{
std::istringstream inf(" 1 23");
std::istream_iterator<int> i(inf);
assert(i != std::istream_iterator<int>());
assert(inf.peek() == ' ');
assert(inf.good());
int j = 0;
inf >> j;
assert(j == 23);
return 0;
}
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