>
>
>If you're testing a value, you're testing to see if there's something in
>there or not - what difference does it make if the variable contains 0, ""
>or NULL?
>
>
World of difference :-)
An intereger value of 0 is *certainly* "somethign", as well as an empty
string.
>Why not adhere to the practices inherent (and thus anticipated by
>developers) in other languages (C comes to mind) where 0, NULL and "" are
>equivalent?
>
Not at all. An empty string in C is a valid pointer to a memory
location, that contains a 0, and NULL is a pointer to a memory location
that does not exist.
They are not equivalent at all.
Dima
