/// Get the end as a point span.
Get the end as a point span.
Get the end as a point span .
pub fn end(self) -> Self {
        Self {
            start: self.end,
            end: self.end,
        }
    }
pub fn end ( self ) -> Self { Self { start : self . end , end : self . end , } }
Get the end as a point span.
Get the end as a point span .
self