Classes

Acceptables
AmbiguousArgument
AmbiguousOption
Arguable
CompletingHash
InvalidArgument
InvalidOption
List
MissingArgument
NeedlessArgument
OptionParser
OptionParser::Completion
OptionParser::NoArgument
OptionParser::OptionMap
OptionParser::OptionalArgument
OptionParser::PlacedArgument
OptionParser::RequiredArgument
OptionParser::Switch
ParseError