From: Brian Candler <b.candler@...>
Date: 2011-02-24T06:58:14+09:00
Subject: Re: a, b = Array.new(2).map!{|x| data.dup}

Stefan Salewski wrote in post #983432:
> I think I can replace this code
>
> @scr = @output.dup
> @png = @output.dup
> @pdf = @output.dup
> @svg = @output.dup
> @ps = @output.dup
>
> with this equivalent:
>
> @scr, @png, @pdf, @svg, @ps = Array.new(5).map!{|x| @output.dup}
>
> Is there a nicer variant available?

# here's one
@scr, @png, @pdf, @svg, @ps = Array.new(5) { @output.dup }

# here's another, not for <=1.8.6
@scr, @png, @pdf, @svg, @ps = 5.times.map { @output.dup }

But I think the original 5 lines is clearer :-)

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