71                 b'\t' => f.write_str("\\t")?,  in fmt()
72                 b'\n' => f.write_str("\\n")?,  in fmt()
73                 b'\r' => f.write_str("\\r")?,  in fmt()
104                 b'\t' => f.write_str("\\t")?,  in fmt()
105                 b'\n' => f.write_str("\\n")?,  in fmt()
106                 b'\r' => f.write_str("\\r")?,  in fmt()
108                 b'\"' => f.write_str("\\\"")?,  in fmt()
109                 b'\\' => f.write_str("\\\\")?,  in fmt()
476         f.write_str("\"")?;  in fmt()
480                 b'\"' => f.write_str("\\\"")?,  in fmt()
485         f.write_str("\"")  in fmt()
778     fn write_str(&mut self, s: &str) -> fmt::Result {  in write_str()  method
830     fn write_str(&mut self, s: &str) -> fmt::Result {  in write_str()  method
831         self.0.write_str(s)?;  in write_str()
877         f.write_str("\0")?;  in try_from_fmt()
885         f.write_str("\0")?;  in try_from_fmt()