pub trait SignalVec {
type Item;
// Required method
fn poll_vec_change(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
) -> Poll<Option<VecDiff<Self::Item>>>;
}
pub trait SignalVec {
type Item;
// Required method
fn poll_vec_change(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
) -> Poll<Option<VecDiff<Self::Item>>>;
}