/usr/include/cvc3/expr_hash.h is in libcvc3-dev 2.4.1-5ubuntu1.
This file is owned by root:root, with mode 0o644.
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/*!
* \file expr_hash.h
* \brief Definition of the API to expression package. See class Expr for details.
*
* Author: Clark Barrett
*
* Created: Tue Nov 26 00:27:40 2002
*
* <hr>
*
* License to use, copy, modify, sell and/or distribute this software
* and its documentation for any purpose is hereby granted without
* royalty, subject to the terms and conditions defined in the \ref
* LICENSE file provided with this distribution.
*
* <hr>
*
* Define std::hash<Expr> and std::hash<std::string> for hash_map and
* hash_set over Expr class.
*/
/*****************************************************************************/
#ifndef _cvc3__expr_h_
#include "expr.h"
#endif
#ifndef _cvc3__include__expr_hash_h_
#define _cvc3__include__expr_hash_h_
#include "hash_fun.h"
namespace Hash
{
template<> struct hash<CVC3::Expr>
{
size_t operator()(const CVC3::Expr& e) const { return e.hash(); }
};
template<> class hash<std::string> {
private:
hash<const char*> h;
public:
size_t operator()(const std::string& s) const {
return h(s.c_str());
}
};
}
#endif
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