module Thor::Base::ClassMethods

def group(name=nil)


name
==== Parameters

that only tasks from a pre-defined group will be shown. Defaults to standard.
Defines the group. This is used when thor list is invoked so you can specify 
def group(name=nil)
  case name
    when nil
      @group ||= from_superclass(:group, 'standard')
    else
      @group = name.to_s
  end
end