17 lines
578 B
C++
17 lines
578 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 "library/blast/action_result.h"
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namespace lean {
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namespace blast {
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/** \brief Introduce upto \c max hypotheses.
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Return failed if there is nothing to introduce, that is, target is not a Pi-type.
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\remark if max == 0, and it returns new_branch. */
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action_result intros_action(unsigned max);
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/** \brief Keep introducing until target is not a Pi-type. */
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action_result intros_action();
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}}
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