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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <iterator>
// class istream_iterator
// istream_iterator(istream_type& s);
#include <iterator>
#include <sstream>
#include <cassert>
int main()
{
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);
}
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