28 lines
728 B
C
28 lines
728 B
C
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/*
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Copyright (c) 2015 Daniel Selsam. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Daniel Selsam
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*/
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#pragma once
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#include "kernel/expr.h"
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#include "library/fun_info_manager.h"
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namespace lean {
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/** \brief Abstract expression manager, to allow comparing expressions while ignoring subsingletons. */
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class abstract_expr_manager {
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fun_info_manager & m_fun_info_manager;
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public:
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abstract_expr_manager(fun_info_manager & f_info_manager):
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m_fun_info_manager(f_info_manager) { }
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unsigned get_weight(expr const & e);
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unsigned hash(expr const & e);
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bool is_equal(expr const & a, expr const & b);
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bool is_lt(expr const & a, expr const & b);
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};
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}
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