class Thor

def default_task(meth=nil)

meth:: name of the default task
==== Parameters

Sets the default task when thor is executed without an explicit task to be called.

def default_task(meth=nil)
  case meth
    when :none
      @default_task = 'help'
    when nil
      @default_task ||= from_superclass(:default_task, 'help')
    else
      @default_task = meth.to_s
  end
end