rust/tests/ui/rfcs/rfc-2632-const-trait-impl/static-const-trait-bound.rs
2024-02-16 20:02:50 +00:00

19 lines
314 B
Rust

//@ 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() {}