14 lines
236 B
Rust
14 lines
236 B
Rust
// https://github.com/rust-lang/rust/issues/8398
|
|
//@ check-pass
|
|
#![allow(dead_code)]
|
|
|
|
pub trait Writer {
|
|
fn write(&mut self, b: &[u8]) -> Result<(), ()>;
|
|
}
|
|
|
|
fn foo(a: &mut dyn Writer) {
|
|
a.write(&[]).unwrap();
|
|
}
|
|
|
|
pub fn main(){}
|