Class | Integer |
In: |
lib/facet/numeric/succ.rb
lib/facet/integer/times_collect.rb lib/facet/integer/evenodd?.rb lib/facet/integer/factorial.rb |
Parent: | Object |
Calculate the factorial of self.
require 'facet/integer/factorial' 2.factorial #=> 2 3.factorial #=> 6 3.factorial #=> 24