Re^4: Is it possible to store an arthimetric operator in a variable?

Boolean false isn't undef. Notice the lack of warnings in the following snippet:

>perl -we "print(1==2)"

>
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Comment on Re^4: Is it possible to store an arthimetric operator in a variable? Download Code

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Re^5: Is it possible to store an arthimetric operator in a variable? by Adam (Vicar) on Jul 19, 2005 at 15:23 UTC
Sorry, you are right. It's "", which is just as useless in debugging... (it's been so long that I wrote a boolean function where I didn't use 0 that I forgot. Thank you.)	[reply]
Re: Is it possible to store an arthimetric operator in a variable? by benizi (Hermit) on Jul 20, 2005 at 19:17 UTC
Actually, it's the special variable !1, which stringifies to "", but has the numeric value of 0. See: Re^4: m//g behaves strange... (!1)	[reply]