36 lines
884 B
Rust
36 lines
884 B
Rust
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// Copyright 2012-2016 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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// Regression test for Issue #29092.
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//
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// (Possibly redundant with regression test run-pass/issue-30530.rs)
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use self::Term::*;
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#[derive(Clone)]
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pub enum Term {
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Dummy,
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A(Box<Term>),
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B(Box<Term>),
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}
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// a small-step evaluator
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pub fn small_eval(v: Term) -> Term {
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match v {
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A(t) => *t.clone(),
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B(t) => *t.clone(),
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_ => Dummy,
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}
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}
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fn main() {
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small_eval(Dummy);
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}
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