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/********************* */
/*! \file singleton_op.cpp
** \verbatim
** Top contributors (to current version):
** Mudathir Mohamed
** This file is part of the CVC4 project.
** Copyright (c) 2009-2021 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 singleton operator for sets
**/
#include "singleton_op.h"
#include <iostream>
#include "expr/type_node.h"
namespace CVC4 {
std::ostream& operator<<(std::ostream& out, const SingletonOp& op)
{
return out << "(singleton_op " << op.getType() << ')';
}
size_t SingletonOpHashFunction::operator()(const SingletonOp& op) const
{
return TypeNodeHashFunction()(op.getType());
}
SingletonOp::SingletonOp(const TypeNode& elementType)
: d_type(new TypeNode(elementType))
{
}
SingletonOp::SingletonOp(const SingletonOp& op)
: d_type(new TypeNode(op.getType()))
{
}
const TypeNode& SingletonOp::getType() const { return *d_type; }
bool SingletonOp::operator==(const SingletonOp& op) const
{
return getType() == op.getType();
}
} // namespace CVC4
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