forked from OSchip/llvm-project
47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
// -*- C++ -*-
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//===------------------------- hash_set ------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_EXT_HASH
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#define _LIBCPP_EXT_HASH
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#pragma GCC system_header
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#include <string>
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#include <cstring>
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namespace __gnu_cxx {
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using namespace std;
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template <typename T> struct _LIBCPP_TYPE_VIS hash : public std::hash<T>
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{ };
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template <> struct _LIBCPP_TYPE_VIS hash<const char*>
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: public unary_function<const char*, size_t>
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{
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_LIBCPP_INLINE_VISIBILITY
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size_t operator()(const char *__c) const _NOEXCEPT
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{
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return __do_string_hash(__c, __c + strlen(__c));
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}
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};
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template <> struct _LIBCPP_TYPE_VIS hash<char *>
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: public unary_function<char*, size_t>
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{
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_LIBCPP_INLINE_VISIBILITY
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size_t operator()(char *__c) const _NOEXCEPT
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{
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return __do_string_hash<const char *>(__c, __c + strlen(__c));
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}
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};
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}
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#endif // _LIBCPP_EXT_HASH
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