16 lines
638 B
C++
16 lines
638 B
C++
/*
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Copyright (c) 2015 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#pragma once
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#include "kernel/type_checker.h"
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namespace lean {
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enum class congr_arg_kind { Fixed, Singleton, Eq };
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optional<expr> mk_congr_subsingleton_thm(type_checker & tc, io_state const & ios,
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expr const & fn, optional<unsigned> const & expected_num_args,
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buffer<congr_arg_kind> & arg_kinds, constraint_seq & cs);
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void initialize_congruence_tactic();
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void finalize_congruence_tactic();
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}
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