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// <iterator> 11 12// class istream_iterator 13 14// const T& operator*() const; 15 16#include <iterator> 17#include <sstream> 18#include <cassert> 19 20int main() 21{ 22 std::istringstream inf(" 1 23"); 23 std::istream_iterator<int> i(inf); 24 int j = 0; 25 j = *i; 26 assert(j == 1); 27 j = *i; 28 assert(j == 1); 29 ++i; 30 j = *i; 31 assert(j == 23); 32 j = *i; 33 assert(j == 23); 34} 35