418 I’m a teapot - RFC 2324; a joke RFC 420 Enhance Your Calm - Twitter
WriteTimeout, a subclass of Timeout::Error, is raised if a chunk of the response cannot be written within the write_timeout. Not raised on Windows.
The writer adapter class
Simple option list providing mapping from short and/or long option string to OptionParser::Switch and mapping from acceptable argument to matching pattern and converter pair. Also provides summary feature.
An abstract class for enumerating pseudo-prime numbers.
Concrete subclasses should override succ, next, rewind.
Internal use. An implementation of Eratosthenes’ sieve
A table of LALR states.
A LALR state.
Resolv::Hosts is a hostname resolver that uses the system hosts file.
A Resolv::DNS IPv4 address.
A Resolv::DNS IPv6 address.