module Thor::Actions
module Thor::Actions::ClassMethods
module Thor::Base
module Thor::Base::ClassMethods
module Thor::CoreExt
module Thor::Invocation
module Thor::Invocation::ClassMethods
module Thor::LineEditor
module Thor::RakeCompat
module Thor::Sandbox
module Thor::Shell
module Thor::Util
class IO
class Thor
class Thor::Actions::CapturableERB
class Thor::Actions::CreateFile
class Thor::Actions::CreateLink
class Thor::Actions::Directory
class Thor::Actions::EmptyDirectory
class Thor::Actions::InjectIntoFile
class Thor::AmbiguousCommandError
class Thor::Argument
class Thor::Arguments
class Thor::Command
class Thor::CoreExt::HashWithIndifferentAccess
class Thor::CoreExt::OrderedHash
class Thor::DynamicCommand
class Thor::Error
class Thor::Group
class Thor::HiddenCommand
class Thor::InvocationError
class Thor::LineEditor::Basic
class Thor::LineEditor::Readline
class Thor::LineEditor::Readline::PathCompletion
class Thor::MalformattedArgumentError
class Thor::Option
class Thor::Options
class Thor::RequiredArgumentMissingError
class Thor::Runner
class Thor::Shell::Basic
class Thor::Shell::Color
class Thor::Shell::HTML
class Thor::UndefinedCommandError
class Thor::UnknownArgumentError
thor
0.19.2
# shift
def shift k = @keys.first v = delete(k) [k, v] end