204 pub struct LexError {  struct
205     inner: imp::LexError,  argument
252     type Err = LexError;
254     fn from_str(src: &str) -> Result<TokenStream, LexError> {  in from_str()  argument
257             Err(lex) => Err(LexError {  in from_str()
329 impl LexError {  implementation
335 impl Debug for LexError {  implementation
341 impl Display for LexError {  implementation
347 impl Error for LexError {}  implementation
1282     type Err = LexError;
1284     fn from_str(repr: &str) -> Result<Self, LexError> {  in from_str()  argument
1287             Err(lex) => Err(LexError {  in from_str()