312     pub fn to_cstring(&self) -> Result<CString, AllocError> {  in to_cstring()  argument
313         CString::try_from(self)  in to_cstring()
355     pub fn to_ascii_lowercase(&self) -> Result<CString, AllocError> {  in to_ascii_lowercase()  argument
372     pub fn to_ascii_uppercase(&self) -> Result<CString, AllocError> {  in to_ascii_uppercase()  argument
534     struct String(CString);
538             String(CString::try_from_fmt(args).unwrap())  in from_fmt()
821 pub struct CString {  struct
825 impl CString {  impl
860 impl Deref for CString {  implementation
870 impl DerefMut for CString {  implementation
878 impl<'a> TryFrom<&'a CStr> for CString {  implementation
881     fn try_from(cstr: &'a CStr) -> Result<CString, AllocError> {  in try_from()  argument
888         Ok(CString { buf })  in try_from()
892 impl fmt::Debug for CString {  implementation