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//===-- ExprHashMap.h -------------------------------------------*- C++ -*-===//
//
// The KLEE Symbolic Virtual Machine
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef KLEE_EXPRHASHMAP_H
#define KLEE_EXPRHASHMAP_H
#include "klee/Expr/Expr.h"
#include <unordered_map>
#include <unordered_set>
namespace klee {
namespace util {
struct ExprHash {
unsigned operator()(const ref<Expr> e) const {
return e->hash();
}
};
struct ExprCmp {
bool operator()(const ref<Expr> &a, const ref<Expr> &b) const {
return a==b;
}
};
}
template <class T>
class ExprHashMap
: public std::unordered_map<ref<Expr>, T, klee::util::ExprHash,
klee::util::ExprCmp> {};
typedef std::unordered_set<ref<Expr>, klee::util::ExprHash,
klee::util::ExprCmp>
ExprHashSet;
} // namespace klee
#endif /* KLEE_EXPRHASHMAP_H */
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