pub const fn is_empty(&self) -> bool {
        // end can never be behind start
        // so if we're past start then we're not empty
        self.start == self.end
    }
/// Checks whether this index is empty (e.g. start points to the dn)
Checks whether this index is empty
Checks whether this index is empty
pub const fn is_empty(&self) -> bool {
        // end can never be behind start
        // so if we're past start then we're not empty
        self.start == self.end
    }
pub const fn is_empty ( & self ) -> bool { // end can never be behind start // so if we're past start then we're not empty self . start == self . end }
Checks whether this index is empty (e.g.
Checks whether this index is empty ( e . g .
&self
&self