symbolPattern.h

#pragma once
 
namespace TuringSim::Symbol {
    template <typename SymbolType_, typename Context_>
    class SymbolPattern {
    public:
        typedef SymbolType_ SymbolType;
        typedef Context_ Context;
 
        SymbolPattern() = default;
        SymbolPattern(const SymbolPattern&) = default;
        SymbolPattern(SymbolPattern&&) = default;
        SymbolPattern& operator=(const SymbolPattern&) = default;
        SymbolPattern& operator=(SymbolPattern&&) = default;
        virtual ~SymbolPattern() = default;
 
        virtual bool match(const SymbolType& symbol, const Context& context) const noexcept = 0;
    };
 
    template <typename SymbolType_>
    class SymbolPattern<SymbolType_, void> {
    public:
        typedef SymbolType_ SymbolType;
        typedef void Context;
 
        SymbolPattern() = default;
        SymbolPattern(const SymbolPattern&) = default;
        SymbolPattern(SymbolPattern&&) = default;
        SymbolPattern& operator=(const SymbolPattern&) = default;
        SymbolPattern& operator=(SymbolPattern&&) = default;
        virtual ~SymbolPattern() = default;
 
        virtual bool match(const SymbolType& symbol) const noexcept = 0;
    };
}