pub trait Rebind<B, T>: ClosedView where
B: Reborrow,
T: ClosedView, {
fn rebind(self, key: T::Key) -> Option<T>;
}
pub trait Rebind<B, T>: ClosedView where
B: Reborrow,
T: ClosedView, {
fn rebind(self, key: T::Key) -> Option<T>;
}