fn footprint(&self) -> usize {
        if self.len() % 2 == 0 {
            self.len() + 1
        } else {
            self.len()
        }
    }
/// The number of cells the label will actually use
/// We want this to always be an odd number
The number of cells the label will actually use
We want this to always be an odd number
The number of cells the label will actually use We want this to always be an odd number
fn footprint(&self) -> usize {
        if self.len() % 2 == 0 {
            self.len() + 1
        } else {
            self.len()
        }
    }
fn footprint ( & self ) -> usize { if self . len ( ) % 2 == 0 { self . len ( ) + 1 } else { self . len ( ) } }
The number of cells the label will actually use
We want this to always be an odd number
The number of cells the label will actually use We want this to always be an odd number
&self
&self