1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <iterator> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class istream_iterator 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// const T* operator->() const; 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <iterator> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <sstream> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstruct A 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant double d_; 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int i_; 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 26ee226c05af9e0187098f43fb71465a581487af9bDan Austinvoid operator&(A const&) {} 27ee226c05af9e0187098f43fb71465a581487af9bDan Austin 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstd::istream& operator>>(std::istream& is, A& a) 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant return is >> a.d_ >> a.i_; 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::istringstream inf("1.5 23 "); 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::istream_iterator<A> i(inf); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->d_ == 1.5); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->i_ == 23); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 40