mirror of
https://github.com/Xahau/xahaud.git
synced 2025-12-06 17:27:52 +00:00
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
//------------------------------------------------------------------------------
|
|
/*
|
|
This file is part of Beast: https://github.com/vinniefalco/Beast
|
|
Copyright 2014, Howard Hinnant <howard.hinnant@gmail.com>,
|
|
Vinnie Falco <vinnie.falco@gmail.com
|
|
|
|
Permission to use, copy, modify, and/or distribute this software for any
|
|
purpose with or without fee is hereby granted, provided that the above
|
|
copyright notice and this permission notice appear in all copies.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
//==============================================================================
|
|
|
|
#ifndef BEAST_HASH_UHASH_H_INCLUDED
|
|
#define BEAST_HASH_UHASH_H_INCLUDED
|
|
|
|
#include <xrpl/beast/hash/hash_append.h>
|
|
#include <xrpl/beast/hash/xxhasher.h>
|
|
|
|
namespace beast {
|
|
|
|
// Universal hash function
|
|
template <class Hasher = xxhasher>
|
|
struct uhash
|
|
{
|
|
explicit uhash() = default;
|
|
|
|
using result_type = typename Hasher::result_type;
|
|
|
|
template <class T>
|
|
result_type
|
|
operator()(T const& t) const noexcept
|
|
{
|
|
Hasher h;
|
|
hash_append(h, t);
|
|
return static_cast<result_type>(h);
|
|
}
|
|
};
|
|
|
|
} // namespace beast
|
|
|
|
#endif
|