lean2/src/library/abstract_expr_manager.h

/*
Copyright (c) 2015 Daniel Selsam. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Daniel Selsam
*/
#pragma once
#include "kernel/expr.h"
#include "library/fun_info_manager.h"

namespace lean {

/** \brief Abstract expression manager, to allow comparing expressions while ignoring subsingletons. */

class abstract_expr_manager {
    fun_info_manager & m_fun_info_manager;

public:
    abstract_expr_manager(fun_info_manager & f_info_manager):
        m_fun_info_manager(f_info_manager) { }

    unsigned hash(expr const & e);
    bool is_equal(expr const & a, expr const & b);
};

}