statePattern.h

#pragma once
 
#include <optional>
 
namespace TuringSim::State {
    template <typename StateType_, typename MatcherType_>
    class StatePattern {
    public:
        typedef StateType_ StateType;
 
        typedef MatcherType_ MatcherType;
 
        constexpr StatePattern() = default;
 
        constexpr StatePattern(const StatePattern& other) = default;
 
        constexpr StatePattern(StatePattern&& other) = default;
 
        constexpr StatePattern& operator=(const StatePattern& other) = default;
 
        constexpr StatePattern& operator=(StatePattern&& other) = default;
 
        virtual ~StatePattern() = default;
 
        virtual std::optional<MatcherType> match(const StateType& state) const noexcept = 0;
    };
}