pair.hpp

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#ifndef Om_Language_Pair_
 
    #define Om_Language_Pair_ \
    Om::Language::Pair
 
    #include "om/language/operator.hpp"
 
namespace Om {
 
    namespace Language {
 
        // MARK: - Om::Language::Pair
 
        class Pair {
 
        public: // MARK: public (static)
 
            static Pair const & GetEmpty();
 
        public: // MARK: public (non-static)
 
            virtual ~Pair();
 
            Pair();
 
            void ClearOperand();
 
            Operand const & GetOperand() const;
 
            Operator const & GetOperator() const;
 
            void GiveElements(Consumer &);
 
            void GiveElements(Consumer &) const;
 
            bool IsEmpty() const;
 
            template <typename TheOperand>
            void TakeOperand(TheOperand &);
 
            template <typename TheOperator>
            void TakeOperator(TheOperator &);
 
            template <typename TheProducer>
            void TakeQuotedProducer(TheProducer &);
 
        private: // MARK: private (static)
 
            template <typename ThePair>
            static void GiveElements(
                ThePair &,
                Consumer &
            );
 
        private: // MARK: private (non-static)
 
            Operator thisOperator;
 
            Operand thisOperand;
 
        };
 
    }
 
}
 
    #include "om/language/pair.cpp"
 
#endif