Re: RFC 263 (v1) Add null() keyword and fundamental data type

[Eric Roode]

Glenn Linderman wrote:
>Eric Roode wrote:
>
>> 1. You don't say in your RFC, but I'm guessing, that a null value
>> evaluates to false in a boolean context. Correct?
>
>I would expect it to be considered false.  Logical expressions involving
>NULL are defined to be "undefined", actually, which is not considered true.

Hmmm. So:

    $a = null;
    $b = ($a == 42);
    print defined($b)? "defined" : "not defined";

would print "not defined", maybe?


[snip]
>    $NULL = "NULL";
>
>could be the default; and $NULL could be set to anything desired to be the
>stringization for NULL.  Setting $NULL to NULL would be special, and
>equivalent to the $NULL = "NULL".  Setting $NULL to undef could result in
>warnings during stringization of NULL.

And setting $NULL=null could result in infinite loops :-)

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