# File lib/RMagick.rb, line 565
    def stroke_dasharray(*list)
        if list.length == 0
            primitive "stroke-dasharray none"
        else
            list.each { |x|
                if x <= 0 then
                    Kernel.raise ArgumentError, "dash array elements must be > 0 (#{x} given)"
                end
            }
            primitive "stroke-dasharray #{list.join(',')}"
        end
    end