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