fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { if @0⦊true⦉@0 { if @1,3⦊false⦉@1,3 { while @6,7⦊true⦉@6,7 @8,10⦊{ }⦉@8,10 }@9⦊⦉@9@5⦊⦉@5 @11,12,13,14⦊write!(f, "error")⦉@11,12,13,14@16,18,19,20⦊?⦉@16,18,19,20; } else @2⦊{ }⦉@2@15⦊⦉@15 @21⦊Ok(())⦉@21 }@22⦊⦉@22