d3272ca1c5
This command was never used in the Lean3 corelib and mathlib. It is safe to assume it is not needed.
22 lines
999 B
C++
22 lines
999 B
C++
/*
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Copyright (c) 2016 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/type_context.h"
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#include "library/tactic/occurrences.h"
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namespace lean {
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/** \brief Abstract occurrences of \c t in \c s. We detect subterms equivalent to \c t using key-matching.
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That is, only perform is_def_eq tests when the head symbol of substerm is equivalent to head symbol of \c t.
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New equivalent head symbols can be declared using \c add_key_alias.
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If \c unify is false, then matching is used instead of unification. That is, metavariables occurring in `s` are
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not assigned. */
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expr kabstract(type_context_old & ctx, expr const & s, expr const & t, occurrences const & occs, bool unify);
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inline expr kabstract(type_context_old & ctx, expr const & s, expr const & t) { return kabstract(ctx, s, t, occurrences(), true); }
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void initialize_kabstract();
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void finalize_kabstract();
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}
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