# File lib/thor.rb, line 60
  def self.maxima
    @maxima ||= begin
      max_usage = tasks.map {|_, t| t.usage}.max {|x,y| x.to_s.size <=> y.to_s.size}.size
      max_desc  = tasks.map {|_, t| t.description}.max {|x,y| x.to_s.size <=> y.to_s.size}.size
      max_opts  = tasks.map {|_, t| t.opts ? t.opts.formatted_usage : ""}.max {|x,y| x.to_s.size <=> y.to_s.size}.size
      Struct.new(:description, :usage, :opt).new(max_desc, max_usage, max_opts)
    end
  end