Raised when the provided IP address is an invalid address.
Raised when the address family is invalid such as an address with an unsupported family, an address with an inconsistent family, or an address who’s family cannot be determined.
Raised when the address is an invalid length.
Default formatter for log messages.
Hash with completion search feature. See OptionParser::Completion.
Raises when switch is undefined.
Raises when the given argument does not match required format.
A set of rule and position in it’s RHS. Note that the number of pointers is more than rule’s RHS array, because pointer points right edge of the final symbol when reducing.