class Array
Public Instance Methods
downcase()
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# File lib/world_flags/core_ext.rb, line 10 def downcase self.map{|e| e.to_s.downcase} end
select_first_in(*list)
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# File lib/world_flags/core_ext.rb, line 18 def select_first_in *list list = list.flatten.compact self.each {|e| return e if list.include?(e) } end
upcase()
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# File lib/world_flags/core_ext.rb, line 14 def upcase self.map{|e| e.to_s.upcase} end