ValuePrinterAbstraction.hpp

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#pragma once
 
#include <memory>
 
#include <abstraction/NaryOperationAbstraction.hpp>
#include <abstraction/ValueOperationAbstraction.hpp>
 
#include <ext/ostream>
 
namespace abstraction {
 
template < class ParamType >
class ValuePrinterAbstraction : virtual public NaryOperationAbstraction < ParamType, ext::ostream & >, virtual public ValueOperationAbstraction < void > {
public:
    ValuePrinterAbstraction ( ) = default;
 
    std::shared_ptr < abstraction::Value > run ( ) const override {
        const std::shared_ptr < abstraction::Value > & firstParam = std::get < 0 > ( this->getParams ( ) );
        const std::shared_ptr < abstraction::Value > & secondParam = std::get < 1 > ( this->getParams ( ) );
 
        retrieveValue < ext::ostream & > ( secondParam ) << retrieveValue < const ParamType & > ( firstParam ) << std::endl;
        return std::make_shared < abstraction::Void > ( );
    }
};
 
template < >
class ValuePrinterAbstraction < void > : virtual public NaryOperationAbstraction < >, virtual public ValueOperationAbstraction < void > {
public:
    ValuePrinterAbstraction ( ) = default;
 
    std::shared_ptr < abstraction::Value > run ( ) const override {
        return std::make_shared < abstraction::Void > ( );
    }
};
 
} /* namespace abstraction */