diff options
Diffstat (limited to 'contrib/libc++/include/ext/__hash')
-rw-r--r-- | contrib/libc++/include/ext/__hash | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/contrib/libc++/include/ext/__hash b/contrib/libc++/include/ext/__hash new file mode 100644 index 0000000..8e9635d --- /dev/null +++ b/contrib/libc++/include/ext/__hash @@ -0,0 +1,46 @@ +// -*- 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_VISIBLE hash : public std::hash<T> + { }; + +template <> struct _LIBCPP_VISIBLE 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_VISIBLE 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 |