21 lines
984 B
C
21 lines
984 B
C
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/*
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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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/** \brief Define the composition of g and f, if the environment already contains one created using \c compose, returns it.
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Otherwise, this procedure defines one and uses name \c gf. If \c gf is none, then use g+f as the name.
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If the environment already has a definition with this name, then adds the prefix _idx, where idx is a numeral.
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The result is a pair (new environment, new constant name).
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*/
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pair<environment, name> compose(type_checker & tc, name const & g, name const & f, optional<name> const & gf = optional<name>());
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pair<environment, name> compose(environment const & env, name const & g, name const & f, optional<name> const & gf = optional<name>());
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void initialize_composition_manager();
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void finalize_composition_manager();
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}
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