rust/tests/ui/wf/wf-in-where-clause-static.rs

24 lines
476 B
Rust

// check-pass
// known-bug: #98117
// Should fail. Functions are responsible for checking the well-formedness of
// their own where clauses, so this should fail and require an explicit bound
// `T: 'static`.
use std::fmt::Display;
trait Static: 'static {}
impl<T> Static for &'static T {}
fn foo<S: Display>(x: S) -> Box<dyn Display>
where
&'static S: Static,
{
Box::new(x)
}
fn main() {
let s = foo(&String::from("blah blah blah"));
println!("{}", s);
}