/extensions/flyrb/lib/flyrb/hash_math.rb
Ruby | 13 lines | 13 code | 0 blank | 0 comment | 3 complexity | 84de8aa378e0b72f8cf23636b60bd0d0 MD5 | raw file
1class Hash 2 alias :+ :merge 3 def -(thing_to_be_deleted) 4 if thing_to_be_deleted.is_a? Hash 5 thing_to_be_deleted.each do |key, value| 6 self.delete(key) if self[key] == value 7 end 8 elsif self.keys.include? thing_to_be_deleted 9 self.delete(thing_to_be_deleted) 10 end 11 self 12 end 13end