From: Michael Morin <uzimonkey@...>
Date: 2008-08-30T23:20:16+09:00
Subject: Re: Show elements of array separated

Robert Klemme wrote:
> irb(main):010:0> foo.inject {|a,b| "#{a}, #{b}"}
> => "a, b, c"
> irb(main):011:0> ["a"].inject {|a,b| "#{a}, #{b}"}
> => "a"
> irb(main):012:0> [].inject {|a,b| "#{a}, #{b}"}
> => nil
> irb(main):013:0>
> 
> But note the empty Array case.
> 
> Kind regards
> 
>     robert

irb(main):006:0> [].inject{|a,b| "#{a}, #{b}" } or ""
=> ""

-- 
Michael Morin
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