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yaml --- r: 102299 b: refs/heads/master c: 999d55d h: refs/heads/master i: 102297: fe406a2 102295: 789b4bd v: v3
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[refs]

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refs/heads/master: 999d55d5f6e229b8c1118ac35c8cbf3b9c59e3a1
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refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
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refs/heads/snap-stage3: 6e7f170fedd3c526a643c0b2d13863acd982be02
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refs/heads/try: a97642026c18a624ff6ea01075dd9550f8ed07ff
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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[deriving(Clone)]
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enum Noun
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{
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Atom(int),
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Cell(~Noun, ~Noun)
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}
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fn fas(n: &Noun) -> Noun
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{
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match n
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{
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&Cell(~Atom(2), ~Cell(ref a, _)) => (**a).clone(),
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_ => fail!("Invalid fas pattern")
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}
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}
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pub fn main() {
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fas(&Cell(~Atom(2), ~Cell(~Atom(2), ~Atom(3))));
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}

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