42 lines
1.4 KiB
C
42 lines
1.4 KiB
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 an application equal to \c app but argument \c i has been replaced with \c new_arg.
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\remark Return \c app if <tt>is_eqp(new_arg, app[i])</tt>.
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*/
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expr update_app(expr const & app, unsigned i, expr const & new_arg);
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/**
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\brief Return a lambda expression based on \c lambda with domain \c d and \c body b.
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\remark Return \c lambda if the given domain and body are (pointer) equal to the ones in \c lambda.
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*/
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expr update_lambda(expr const & lambda, expr const & d, expr const & b);
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/**
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\brief Return a pi expression based on \c pi with domain \c d and \c body b.
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\remark Return \c pi if the given domain and body are (pointer) equal to the ones in \c pi.
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*/
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expr update_pi(expr const & pi, expr const & d, expr const & b);
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/**
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\brief Return a let expression based on \c let with value \c v and \c body b.
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\remark Return \c let if the given value and body are (pointer) equal to the ones in \c let.
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*/
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expr update_let(expr const & let, expr const & v, expr const & b);
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/**
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\brief Return a new equality with lhs \c l and rhs \c r.
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\remark Return \c eq if the given lhs and rhs are (pointer) equal to the ones in \c eq.
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*/
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expr update_eq(expr const & eq, expr const & l, expr const & r);
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}
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