20 lines
711 B
Rust
20 lines
711 B
Rust
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// 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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#![feature(use_extern_macros)]
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pub use std::panic; //~ NOTE previous macro export here
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#[macro_export]
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macro_rules! panic { () => {} } //~ ERROR a macro named `panic` has already been exported
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//~| NOTE `panic` already exported
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fn main() {}
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