pub trait OptionExt {
type Item;
// Required methods
fn unwrap_ref(&self) -> &Self::Item;
fn unwrap_mut(&mut self) -> &mut Self::Item;
}
pub trait OptionExt {
type Item;
// Required methods
fn unwrap_ref(&self) -> &Self::Item;
fn unwrap_mut(&mut self) -> &mut Self::Item;
}