| //@ check-pass | |
| pub struct S<T, F: FnOnce() -> T = fn() -> T> { | |
| f: F, | |
| x: Option<T>, | |
| } | |
| impl<T, F: FnOnce() -> T> S<T, F> { | |
| pub const fn new(f: F) -> Self { | |
| Self { f, x: None } | |
| } | |
| } | |
| #[derive(Default)] | |
| pub struct Foo; | |
| static LOCKED_CALLSITES: S<Foo> = S::new(Default::default); | |
| fn main() {} |