uninitialized vs. undefined

[JVromans@squirrel.nl (Johan Vromans)]

Tom Christiansen <tchrist@chthon.perl.com> writes:

> Could you please define "uninitialized"?  Could you please distinguish
> this from "undefined"?  Can only the scalar elements in an array
> be uninitialized?

I've always felt there must be a difference between

  my @a;	# undefined
  my @a = ();	# defined but empty

I was slightly disappointed to find out that 5.005_63 deprecates
defined(@a) to tell the difference.

-- Johan

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Follow-Ups from:

Tom Christiansen <tchrist@chthon.perl.com>

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Tom Christiansen <tchrist@chthon.perl.com>

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