23 lines
776 B
C++
23 lines
776 B
C++
/*
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Copyright (c) 2014 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 "library/unifier.h"
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#include "frontends/lean/info_manager.h"
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namespace lean {
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/** \brief Create a "choice" constraint that postpones the resolution of a calc proof step.
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By delaying it, we can perform quick fixes such as:
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- adding symmetry
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- adding !
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- adding subst
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*/
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constraint mk_calc_proof_cnstr(environment const & env, local_context const & ctx,
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expr const & m, expr const & e,
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constraint_seq const & cs, unifier_config const & cfg,
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info_manager * im, bool relax);
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}
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