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// -*- 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 _Tp> struct _LIBCPP_TYPE_VIS_ONLY hash { };
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));
}
};
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 __c;
}
};
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<signed char>
: public unary_function<signed char, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(signed char __c) const _NOEXCEPT
{
return __c;
}
};
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<unsigned char>
: public unary_function<unsigned char, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(unsigned char __c) const _NOEXCEPT
{
return __c;
}
};
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<short>
: public unary_function<short, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(short __c) const _NOEXCEPT
{
return __c;
}
};
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<unsigned short>
: public unary_function<unsigned short, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(unsigned short __c) const _NOEXCEPT
{
return __c;
}
};
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<int>
: public unary_function<int, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(int __c) const _NOEXCEPT
{
return __c;
}
};
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<unsigned int>
: public unary_function<unsigned int, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(unsigned int __c) const _NOEXCEPT
{
return __c;
}
};
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<long>
: public unary_function<long, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(long __c) const _NOEXCEPT
{
return __c;
}
};
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<unsigned long>
: public unary_function<unsigned long, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(unsigned long __c) const _NOEXCEPT
{
return __c;
}
};
}
#endif // _LIBCPP_EXT_HASH
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