module IO::Stream
module OpenSSL
module OpenSSL::SSL
class BasicSocket
class IO
class IO::Stream::Buffered
class IO::Stream::Generic
class IO::Stream::LimitError
class IO::Stream::StringBuffer
class IO::TimeoutError
class OpenSSL::SSL::SSLSocket
class StringIO
io-stream
0.6.1
# readable?
def readable? to_io.readable? end