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use std::ffi::{OsStr, OsString};
use std::path::Path;
fn check(p: &dyn AsRef<Path>) {
let m = std::fs::metadata(&p);
println!("{:?}", &m);
}
fn main() {
let s: OsString = ".".into();
let s: &OsStr = &s;
check(s);
//~^ ERROR the size for values of type `[u8]` cannot be known at compilation time
//~| HELP within `OsStr`, the trait `Sized` is not implemented for `[u8]`
//~| HELP consider borrowing the value, since `&OsStr` can be coerced into `dyn AsRef<Path>`
}
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