Re: [FWP] aCertainName.pm

[Steve Lane <sml@zfx.com>]

Larry Rosler wrote:
> 
> > From: Steve Lane [mailto:sml@zfx.com]

> > wouldn't the functions that take either a scalar
> > or list argument be easier to write using:
> >
> >   @_ = ($_) unless @_;
> >
> > instead?
> 
> Easier, perhaps.  Correct, no!
> 
> We're trying to reproduce the semantics of abs(), which say nothing
> about clobbering @_ if there is not argument.

ah, darn, i forgot about that unfortunate side-effect.
i guess the optimum for the list functions would be:

  my @arg = @_;
  @arg = ($_) unless @arg;
--
Steve Lane <sml@zfx.com>

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