Class Set
In: lib/more/facets/set.rb
Parent: Object

Methods

power_set  

Public Instance methods

[Source]

    # File lib/more/facets/set.rb, line 4
 4:   def power_set
 5:     if empty?
 6:       Set[ self ]
 7:     else
 8:       any_value = [to_a.first]
 9:       subsubs = (self - any_value).power_set
10:       subsubs + subsubs.map{ |subset| subset + any_value }
11:     end
12:   end

[Validate]