25 lines
689 B
Rust
25 lines
689 B
Rust
// Copyright 2015 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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#![allow(unused_variables)]
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#![allow(dead_code)]
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macro_rules! piece(
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($piece:pat) => ($piece);
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);
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enum Piece {A, B}
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fn main() {
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match Piece::A {
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piece!(pt@ Piece::A) | piece!(pt@ Piece::B) => {}
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}
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}
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