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58 lines
1.4 KiB
58 lines
1.4 KiB
#pragma once
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#include <cstdint>
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#include <functional>
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#include <random>
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#include <type_traits>
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#include <variant>
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namespace llo::utils
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{
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template < class number_t > number_t generate_random_number( const number_t minimum, const number_t maximum )
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{
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static_assert( std::is_arithmetic_v< number_t >, "type is not arithmetic..." );
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std::random_device rd;
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std::mt19937 mt( rd() );
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std::uniform_real_distribution< double > dist( minimum, maximum );
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return dist( mt );
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}
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template < class T > class hash_t
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{
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std::size_t hash_result;
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const T data;
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public:
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hash_t()
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{
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}
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hash_t( const T &data ) : data{ data }
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{
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auto random_num =
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llo::utils::generate_random_number< std::uint64_t >( 0, std::numeric_limits< std::uint64_t >::max() );
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this->hash_result = std::hash< T >{}( data ) + std::hash< std::uint64_t >{}( random_num );
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}
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static std::shared_ptr< hash_t > make( const T &data )
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{
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return std::make_shared< hash_t >( data );
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}
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T get_data() const
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{
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return data;
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}
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std::size_t get_hash() const
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{
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return hash_result;
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}
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bool operator==( const hash_t< T > &hash )
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{
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return hash.has_result == this->hash_result;
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}
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};
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} // namespace llo::utils
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