Module: ColorRotator

Defined in:
lib/pcol.rb

Constant Summary collapse

PCOL_COLORS = 
[:red, :green, :yellow, :blue, :light_red, :light_green, :light_blue].to_enum

Class Method Summary collapse

Class Method Details

.next(color = nil) ⇒ Object 



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# File 'lib/pcol.rb', line 7

def self.next(color=nil)
  begin
    color = PCOL_COLORS.next
  rescue
    PCOL_COLORS.rewind
    color = PCOL_COLORS.next
  end
end