37 lines
1.7 KiB
C
37 lines
1.7 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 "kernel/builtin.h"
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namespace lean {
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/**
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\brief Return unit if <tt>num_args == 0</tt>, args[0] if <tt>num_args == 1</tt>, and
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<tt>(op args[0] (op args[1] (op ... )))</tt>
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*/
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expr mk_bin_rop(expr const & op, expr const & unit, unsigned num_args, expr const * args);
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expr mk_bin_rop(expr const & op, expr const & unit, std::initializer_list<expr> const & l);
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/**
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\brief Return unit if <tt>num_args == 0</tt>, args[0] if <tt>num_args == 1</tt>, and
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<tt>(op ... (op (op args[0] args[1]) args[2]) ...)</tt>
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*/
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expr mk_bin_lop(expr const & op, expr const & unit, unsigned num_args, expr const * args);
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expr mk_bin_lop(expr const & op, expr const & unit, std::initializer_list<expr> const & l);
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inline expr mk_implies(unsigned num_args, expr const * args) { return mk_bin_rop(mk_implies_fn(), False, num_args, args); }
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inline expr Implies(std::initializer_list<expr> const & l) { return mk_implies(l.size(), l.begin()); }
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inline expr mk_and(unsigned num_args, expr const * args) { return mk_bin_rop(mk_and_fn(), True, num_args, args); }
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inline expr And(std::initializer_list<expr> const & l) { return mk_and(l.size(), l.begin()); }
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inline expr mk_or(unsigned num_args, expr const * args) { return mk_bin_rop(mk_or_fn(), False, num_args, args); }
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inline expr Or(std::initializer_list<expr> const & l) { return mk_or(l.size(), l.begin()); }
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inline expr mk_iff(unsigned num_args, expr const * args) { return mk_bin_rop(mk_iff_fn(), True, num_args, args); }
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inline expr Iff(std::initializer_list<expr> const & l) { return mk_iff(l.size(), l.begin()); }
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}
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