class Zlib::StreamEnd: Error When zlib returns a Z_STREAM_END is return if the end of the compressed data has been reached and all uncompressed out put has been produced.

module Socket::Constants: Constants provides socket-related constants. All possible socket constants are listed in the documentation but they may not all be present on your pla

class UnboundMethod: Ruby supports two forms of objectified methods. Bound method objects for an object can be created using Object#method.

class WIN32OLE::Property: OLEProperty is a helper class of Property with arguments, used by `olegen.

class WIN32OLE::QueryInterfaceError: Raised when OLE query failed.

Documentation for the Gem::Resolver::APISet::GemParser class

class Gem::MissingSpecVersionError: Raised when trying to activate a gem, and the gem exists on the system, but not the requested version. LoadError to catch all types of load errors.

module Fiddle::CStructBuilder: Importer#union wrap this functionality in an easy-to-use manner.

Documentation for the Gem::Ext::Builder class

Documentation for the Gem::SafeMarshal::Elements::Symbol class