/usr/include/cvc4/expr/expr_stream.h is in libcvc4-dev 1.5-1.
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/*! \file expr_stream.h
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Paul Meng
** This file is part of the CVC4 project.
** Copyright (c) 2009-2017 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 stream interface for expressions
**
** A stream interface for expressions.
**/
#include <cvc4/cvc4_public.h>
#ifndef __CVC4__EXPR_STREAM_H
#define __CVC4__EXPR_STREAM_H
#include <cvc4/expr/expr.h>
namespace CVC4 {
/**
* A pure-virtual stream interface for expressions. Can be used to
* communicate streams of expressions between different parts of CVC4.
*/
class CVC4_PUBLIC ExprStream {
public:
/** Virtual destructor; this implementation does nothing. */
virtual ~ExprStream() {}
/**
* Get the next expression in the stream (advancing the stream
* pointer as a side effect.)
*/
virtual Expr nextExpr() = 0;
};/* class ExprStream */
}/* CVC4 namespace */
#endif /* __CVC4__EXPR_STREAM_H */
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