--- Robert Klemme <bob.news / gmx.net> wrote:
> 
> "Joe Cheng" <code / joecheng.com> schrieb im Newsbeitrag
> news:25l7b.1267$c35.358 / newsread1.news.atl.earthlink.net...
> > >     ( @test_classes ||=[] ) << cl
> >
> > Cool trick, Robert... I hadn't seen that one...
> 
> Thanks!  In fact it is quite common among ruby sources - at least
> it seemed so to me.

It's an old perl idiom too; that's the first place I'd seen it.  Neat
trick, indeed.

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