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13 lines
218 B
Rust
13 lines
218 B
Rust
// check-pass
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#![allow(dead_code)]
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// pretty-expanded FIXME #23616
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pub trait Writer {
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fn write(&mut self, b: &[u8]) -> Result<(), ()>;
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}
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fn foo(a: &mut dyn Writer) {
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a.write(&[]).unwrap();
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}
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pub fn main(){}
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