blob: 9680f46d9f56d284538cbac4bbf2f824b1926982 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <iterator>
// template<class T>
// struct iterator_traits<T*>
// {
// typedef ptrdiff_t difference_type;
// typedef T value_type;
// typedef T* pointer;
// typedef T& reference;
// typedef random_access_iterator_tag iterator_category;
// };
#include <iterator>
#include <type_traits>
struct A {};
int main()
{
typedef std::iterator_traits<A*> It;
static_assert((std::is_same<It::difference_type, std::ptrdiff_t>::value), "");
static_assert((std::is_same<It::value_type, A>::value), "");
static_assert((std::is_same<It::pointer, A*>::value), "");
static_assert((std::is_same<It::reference, A&>::value), "");
static_assert((std::is_same<It::iterator_category, std::random_access_iterator_tag>::value), "");
}
|
