d85c017f92
Prevents breaking down `$name` tokens into separate `$` and `name`. Reports unknown macro variables. Fixes #18775 Fixes #18839 Fixes #15640
22 lines
620 B
Rust
22 lines
620 B
Rust
// 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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// error-pattern: unknown macro variable `nonexistent`
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macro_rules! e {
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($inp:ident) => (
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$nonexistent
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);
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}
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fn main() {
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e!(foo);
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}
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