22 lines
833 B
Rust
22 lines
833 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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// `/**/` was previously regarded as a doc comment because it starts with `/**` and ends with `*/`.
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// This could break some internal logic that assumes the length of a doc comment is at least 5,
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// leading to an ICE.
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macro_rules! one_arg_macro {
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($fmt:expr) => (print!(concat!($fmt, "\n")));
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}
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fn main() {
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one_arg_macro!(/**/); //~ ERROR unexpected end
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}
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