Re: Keyword "null" Question

[Jeffrey Carter <jrcarter@acm.org>]

Lutz Donnerhacke wrote:
> * Michael Bustillo wrote:
> 
>>    if SOME_EVENT_TOOK_PLACE then
>>        null;
>>    end if;
>>
>>This statement is simply standing alone by itself, not part of any
>>"case-like" structure or anything sneaky.  I guess my question is when
>>it says "...it does nothing..." does it actually mean that it is putting
>>a NO OP there?
> 
> 
> For the null statement: Yep.

This is incorrect. A null statement does not require generating any 
object code. No decent Ada compiler outputs a NO OP code for null 
statements.

Without knowing what SOME_EVENT_TOOK_PLACE is it's impossible to 
conjecture on why this is there.

-- 
Jeff Carter
"Sheriff murdered, crops burned, stores looted,
people stampeded, and cattle raped."
Blazing Saddles