48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright 2020, Danny Robson <danny@nerdcruft.net>
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*/
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#pragma once
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#include "../bitwise.hpp"
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#include <utility>
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///////////////////////////////////////////////////////////////////////////////
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namespace cruft::hash::adapter {
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template <typename HashT>
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class combine {
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public:
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using digest_t = typename HashT::digest_t;
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using seed_t = typename HashT::seed_t;
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template <typename ...ArgsT>
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combine (ArgsT &&...args)
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: m_inner (std::forward<ArgsT> (args)...)
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{ ; }
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decltype(auto)
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operator() (cruft::view<u08 const*> data)
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{
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return m_inner (data);
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}
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template <typename ...TailT>
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decltype(auto) operator() (
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cruft::view<u08 const*> data,
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TailT &&...tail
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) {
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return (*this) (data) ^ cruft::rotatel ((*this) (tail...), 6);
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}
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private:
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HashT m_inner;
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};
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}
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