31 lines
1.3 KiB
C
31 lines
1.3 KiB
C
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/*
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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 "kernel/formatter.h"
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namespace lean {
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/** \brief Return true iff \c t contains a constant named \c n or a local constant with named (pp or not) \c n */
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bool is_used_name(expr const & t, name const & n);
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/**
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\brief Return the body of the binding \c b, where variable #0 is replaced by a local constant with a "fresh" name.
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The name is considered fresh if it is not used by a constant or local constant occuring in the body of \c b.
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The fresh constant is also returned (second return value).
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\remark If preserve_type is false, then the local constant will not use binding_domain.
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*/
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pair<expr, expr> binding_body_fresh(expr const & b, bool preserve_type = false);
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/** \brief Return the body of the let-expression \c l, where variable #0 is replaced by a local constant with a "fresh" name. */
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pair<expr, expr> let_body_fresh(expr const & l, bool preserve_type = false);
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/** \brief Create a simple formatter object based on operator */
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formatter_factory mk_simple_formatter_factory();
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/** \brief Use simple formatter as the default print function */
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void init_default_print_fn();
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}
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