358     pub fn to_cstring(&self) -> Result<CString, AllocError> {  in to_cstring()  argument
359         CString::try_from(self)  in to_cstring()
401     pub fn to_ascii_lowercase(&self) -> Result<CString, AllocError> {  in to_ascii_lowercase()  argument
418     pub fn to_ascii_uppercase(&self) -> Result<CString, AllocError> {  in to_ascii_uppercase()  argument
580     struct String(CString);
584             String(CString::try_from_fmt(args).unwrap())  in from_fmt()
867 pub struct CString {  struct
871 impl CString {  impl
906 impl Deref for CString {  implementation
916 impl DerefMut for CString {  implementation
924 impl<'a> TryFrom<&'a CStr> for CString {  implementation
927     fn try_from(cstr: &'a CStr) -> Result<CString, AllocError> {  in try_from()  argument
934         Ok(CString { buf })  in try_from()
938 impl fmt::Debug for CString {  implementation