[sf-perl] TMTOWTDI

David Fetter david at fetter.org
Mon Oct 9 21:28:34 PDT 2006

On Mon, Oct 09, 2006 at 08:54:24PM -0700, Joseph Brenner wrote:
> David Fetter <david at fetter.org> wrote:
> > D (wondering why not every data type has a NULL)
> Some people wonder why any data types have NULLs... 

Yeah, but those people (C.J. Date, Hugh Darwen, Fabian Pascal, etc.)
have been whining for years and not actually building software ;)

> Are you suggesting there should be a different undef for strings and
> numbers?

Nope.  Just that there should be a NULL for each which is a state of
contagious ignorance, just as SQL's NULLs are, so for example,

NULL * 1 = NULL.

David Fetter <david at fetter.org> http://fetter.org/
phone: +1 415 235 3778        AIM: dfetter666
                              Skype: davidfetter

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