pub fn option_name(value: impl AsRef<str>) -> Result<(), CommandValidationError>Expand description
Validate the name of a [CommandOption].
The length of the name must be more than NAME_LENGTH_MIN and less than
or equal to NAME_LENGTH_MAX. It can only contain alphanumeric characters
and lowercase variants must be used where possible. Special characters -
and _ are allowed.
ยงErrors
Returns an error of type NameLengthInvalid if the length is invalid.
Returns an error of type NameCharacterInvalid if the name contains a
non-alphanumeric character or an uppercase character for which a lowercase
variant exists.