lib/catissue/domain/container.rb
def can_hold?(storable)
      can_hold_child?(storable) or subcontainers.detect { |ctr| ctr.can_hold?(storable) }
    end
def can_hold?(storable)
      can_hold_child?(storable) or subcontainers.detect { |ctr| ctr.can_hold?(storable) }
    end
def can_hold? ( storable ) can_hold_child? ( storable ) or subcontainers . detect { | ctr | ctr . can_hold? ( storable ) } end
@return [Boolean] true if this Container or a subcontainer in the hierarchy can hold the given storable

 @see #can_hold_child?
@return [ Boolean ] true if this Container or a subcontainer in the hierarchy can hold the given storable