f6f9cbe560
Closes #27078. Closes #27985. Closes #39848. Closes #42164. Closes #42479. Closes #45152. Closes #45662. Closes #45876. Closes #45965.
21 lines
645 B
Rust
21 lines
645 B
Rust
// Copyright 2017 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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macro_rules! get_opt {
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($tgt:expr, $field:ident) => {
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if $tgt.has_$field() {}
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}
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}
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fn main() {
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get_opt!(bar, foo);
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//~^ ERROR expected `{`, found `foo`
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}
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