Last change
on this file since 33 was
29,
checked in by landauf, 16 years ago
|
updated boost from 1_33_1 to 1_34_1
|
File size:
1.2 KB
|
Line | |
---|
1 | // (C) Copyright John Maddock 2000. |
---|
2 | // Use, modification and distribution are subject to the |
---|
3 | // Boost Software License, Version 1.0. (See accompanying file |
---|
4 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
---|
5 | |
---|
6 | // See http://www.boost.org for most recent version including documentation. |
---|
7 | |
---|
8 | #include <iterator> |
---|
9 | #include <list> |
---|
10 | #include <deque> |
---|
11 | #include <boost/static_assert.hpp> |
---|
12 | #include <boost/type_traits.hpp> |
---|
13 | |
---|
14 | template <class RandomAccessIterator > |
---|
15 | RandomAccessIterator foo(RandomAccessIterator from, RandomAccessIterator) |
---|
16 | { |
---|
17 | // this template can only be used with |
---|
18 | // random access iterators... |
---|
19 | typedef typename std::iterator_traits< RandomAccessIterator >::iterator_category cat; |
---|
20 | BOOST_STATIC_ASSERT((boost::is_convertible<cat*, std::random_access_iterator_tag*>::value)); |
---|
21 | // |
---|
22 | // detail goes here... |
---|
23 | return from; |
---|
24 | } |
---|
25 | |
---|
26 | // ensure that delayed instantiation compilers like Comeau see the failure early |
---|
27 | // enough for "compile-fail" testing with the Boost.Build testing framework. (Greg Comeau) |
---|
28 | template |
---|
29 | std::list<int>::iterator |
---|
30 | foo(std::list<int>::iterator, std::list<int>::iterator); |
---|
31 | |
---|
32 | int main() |
---|
33 | { |
---|
34 | std::deque<int> d; |
---|
35 | std::list<int> l; |
---|
36 | foo(d.begin(), d.end()); // OK |
---|
37 | foo(l.begin(), l.end()); // error |
---|
38 | return 0; |
---|
39 | } |
---|
40 | |
---|
41 | |
---|
42 | |
---|
43 | |
---|
44 | |
---|
Note: See
TracBrowser
for help on using the repository browser.