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 // <regex>
11
12 // template <class BidirectionalIterator>
13 // class sub_match
14 // : public pair<BidirectionalIterator, BidirectionalIterator>
15 // {
16 // public:
17 // typedef BidirectionalIterator iterator;
18 // typedef typename iterator_traits<iterator>::value_type value_type;
19 // typedef typename iterator_traits<iterator>::difference_type difference_type;
20 // typedef basic_string<value_type> string_type;
21 //
22 // bool matched;
23 // ...
24 // };
25
26 #include <regex>
27 #include <type_traits>
28 #include <cassert>
29
main()30 int main()
31 {
32 {
33 typedef std::sub_match<char*> SM;
34 static_assert((std::is_same<SM::iterator, char*>::value), "");
35 static_assert((std::is_same<SM::value_type, char>::value), "");
36 static_assert((std::is_same<SM::difference_type, std::ptrdiff_t>::value), "");
37 static_assert((std::is_same<SM::string_type, std::string>::value), "");
38 static_assert((std::is_convertible<SM*, std::pair<char*, char*>*>::value), "");
39
40 SM sm;
41 sm.first = nullptr;
42 sm.second = nullptr;
43 sm.matched = false;
44 }
45 {
46 typedef std::sub_match<wchar_t*> SM;
47 static_assert((std::is_same<SM::iterator, wchar_t*>::value), "");
48 static_assert((std::is_same<SM::value_type, wchar_t>::value), "");
49 static_assert((std::is_same<SM::difference_type, std::ptrdiff_t>::value), "");
50 static_assert((std::is_same<SM::string_type, std::wstring>::value), "");
51 static_assert((std::is_convertible<SM*, std::pair<wchar_t*, wchar_t*>*>::value), "");
52
53 SM sm;
54 sm.first = nullptr;
55 sm.second = nullptr;
56 sm.matched = false;
57 }
58 {
59 static_assert((std::is_same<std::csub_match, std::sub_match<const char*> >::value), "");
60 static_assert((std::is_same<std::wcsub_match, std::sub_match<const wchar_t*> >::value), "");
61 static_assert((std::is_same<std::ssub_match, std::sub_match<std::string::const_iterator> >::value), "");
62 static_assert((std::is_same<std::wssub_match, std::sub_match<std::wstring::const_iterator> >::value), "");
63 }
64 }
65