Re: This is not a pipe

! $this->isa("pipe")
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Syntax is correct, though it will die in runtime because $this is not declared.

"There is no shame in being self-taught, only in not trying to learn in the first place." -- Atrus, Myst: The Book of D'ni.

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Re^2: This is not a pipe by jhourcle (Prior) on Mar 13, 2005 at 23:59 UTC
If you're worried about errors, I recommend instead: `! UNIVERSAL::isa($this, 'pipe')` Just in case there's a possibility that `$this` might be undef, or an unblessed scalar.	[reply] [d/l] [select]
Re^3: This is not a pipe by hardburn (Abbot) on Mar 14, 2005 at 14:13 UTC
For poetry, I'm not worried about it. Syntax correctness is all that matters, and putting `UNIVERSAL` in there just adds clutter. "There is no shame in being self-taught, only in not trying to learn in the first place." -- Atrus, Myst: The Book of D'ni.	[reply] [d/l]
Re^2: This is not a pipe by Revelation (Deacon) on Mar 16, 2005 at 22:49 UTC
I think an easier way to prevent it from die-ing, would be to change that to: `!this->isa('pipe');` or `this->isa(!'pipe');` is another possibility. I agree the `Universal::` just add clutter. Gyan Kapur	[reply] [d/l] [select]

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