FunctionalOperator.h

/* -*- mode: c++; indent-tabs-mode: nil -*- */
/*
    FunctionalOperator.h
 
    Qore Programming Language
 
    Copyright (C) 2003 - 2018 Qore Technologies, s.r.o.
 
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    Note that the Qore library is released under a choice of three open-source
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*/
 
#ifndef _QORE_INTERN_FUNCTIONALOPERATOR_H
 
#define _QORE_INTERN_FUNCTIONALOPERATOR_H
 
class FunctionalOperatorInterface;
 
class FunctionalOperator {
public:
   enum FunctionalValueType { list, single, nothing };
 
   DLLLOCAL virtual ~FunctionalOperator() {
   }
 
   DLLLOCAL FunctionalOperatorInterface* getFunctionalIterator(FunctionalValueType& value_type, ExceptionSink* xsink) const;
 
   DLLLOCAL virtual FunctionalOperatorInterface* getFunctionalIteratorImpl(FunctionalValueType& value_type, ExceptionSink* xsink) const = 0;
};
 
#endif