@0⦊fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { if true⦉@0 { if @1⦊false⦉@1 { while @4,5⦊true⦉@4,5 @6,8⦊{ }⦉@6,8 }@3⦊⦉@3 @9,10,11,12⦊write!(f, "error")⦉@9,10,11,12@14,16,17,18⦊?⦉@14,16,17,18; } else @2⦊{ }⦉@2 @19⦊Ok(())⦉@19 }@20⦊⦉@20