blob: 04975bfd052167c3083150276c9a01b89a8c750c (
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
36
37
38
39
40
41
42
43
44
45
46
|
// -*- C++ -*-
//===------------------------- hash_set ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_EXT_HASH
#define _LIBCPP_EXT_HASH
#pragma GCC system_header
#include <string>
#include <cstring>
namespace __gnu_cxx {
using namespace std;
template <typename T> struct _LIBCPP_TYPE_VIS_ONLY hash : public std::hash<T>
{ };
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<const char*>
: public unary_function<const char*, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(const char *__c) const _NOEXCEPT
{
return __do_string_hash(__c, __c + strlen(__c));
}
};
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<char *>
: public unary_function<char*, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(char *__c) const _NOEXCEPT
{
return __do_string_hash<const char *>(__c, __c + strlen(__c));
}
};
}
#endif // _LIBCPP_EXT_HASH
|