An error when parsing a String.
This enum is slightly awkward: it will never actually exist. This error is
part of the type signature of the implementation of FromStr on
String. The return type of from_str, requires that an error be
defined, but, given that a String can always be made into a new
String without error, this type will never actually be returned. As
such, it is only here to satisfy said signature, and is useless otherwise.
The lower-level cause of this error, if any. Read more
Formats the value using the given formatter. Read more
This method tests for self and other values to be equal, and is used by ==. Read more
[−]
This method tests for !=.
Formats the value using the given formatter. Read more
Performs copy-assignment from source. Read more