/**
	This file is a part of rexy's general purpose library
	Copyright (C) 2020 rexy712

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Affero General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU Affero General Public License for more details.

	You should have received a copy of the GNU Affero General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef REXY_CX_STRING_HASH_HPP
#define REXY_CX_STRING_HASH_HPP

#include "hash.hpp"
#include "../string_base.hpp"

namespace rexy::cx{

	template<>
	struct hash<rexy::static_string>{
		constexpr size_t operator()(const rexy::static_string& t, size_t salt = 0){
			size_t hash = 5381 + salt;
			for(size_t i = 0;i < t.length();++i){
				hash = ((hash << 5) + hash) ^ t[i];
			}
			return hash;
		}
	};

}

#endif