pub fn len(&self) -> BigInt {
        match self.dir {
            Dir::To => &self.left_bound + BigInt::one() - &self.right_bound,
            Dir::Downto => &self.right_bound + BigInt::one() - &self.left_bound,
        }
    }
/// The length of the range.
The length of the range.
The length of the range .
pub fn len(&self) -> BigInt {
        match self.dir {
            Dir::To => &self.left_bound + BigInt::one() - &self.right_bound,
            Dir::Downto => &self.right_bound + BigInt::one() - &self.left_bound,
        }
    }
pub fn len ( & self ) -> BigInt { match self . dir { Dir :: To => & self . left_bound + BigInt :: one ( ) - & self . right_bound , Dir :: Downto => & self . right_bound + BigInt :: one ( ) - & self . left_bound , } }
The length of the range.
The length of the range .
&self
&self