20 lines
447 B
C
20 lines
447 B
C
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/*
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Copyright (c) 2013 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 "expr.h"
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namespace lean {
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/**
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\brief Return true iff the given expression is of the form:
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((fun (x : A), B) Arg)
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*/
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bool is_head_beta(expr const & e);
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/** \brief Apply head beta-reduction to the given expression. */
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expr head_beta(expr const & e);
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};
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