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/********************* */
/*! \file mk_bag_op.h
** \verbatim
** Top contributors (to current version):
** Mudathir Mohamed
** This file is part of the CVC4 project.
** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
** in the top-level source directory and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief a class for MK_BAG operator
**/
#include "cvc4_public.h"
#ifndef CVC4__MAKE_BAG_OP_H
#define CVC4__MAKE_BAG_OP_H
#include <memory>
namespace CVC4 {
class TypeNode;
/**
* The class is an operator for kind MK_BAG used to construct bags.
* It specifies the type of the element especially when it is a constant.
* e.g. the type of rational 1 is Int, however
* (mkBag (mkBag_op Real) 1) is of type (Bag Real), not (Bag Int).
* Note that the type passed to the constructor is the element's type, not the
* bag type.
*/
class MakeBagOp
{
public:
MakeBagOp(const TypeNode& elementType);
MakeBagOp(const MakeBagOp& op);
/** return the type of the current object */
const TypeNode& getType() const;
bool operator==(const MakeBagOp& op) const;
private:
MakeBagOp();
/** a pointer to the type of the bag element */
std::unique_ptr<TypeNode> d_type;
}; /* class MakeBagOp */
std::ostream& operator<<(std::ostream& out, const MakeBagOp& op);
/**
* Hash function for the MakeBagOpHashFunction objects.
*/
struct CVC4_PUBLIC MakeBagOpHashFunction
{
size_t operator()(const MakeBagOp& op) const;
}; /* struct MakeBagOpHashFunction */
} // namespace CVC4
#endif /* CVC4__MAKE_BAG_OP_H */
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