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}
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