Re: What's new in 2.5?
> On 8 Sep 2004 11:52:07 +0200, Christian Cuvier
> <Christian.CUVIER at agriculture.gouv.fr> wrote:
>
>
>>>Btw, this scheme extends beyond out of range indexes. "ifx sqrt(x)=y then..."
>>>
>>>would just be a false conditional if x=-1.
>
>
> This is exception handling under a different name. Instead of:
>
> ifx sqrt(x)=y then
> <code>
> end ifx
>
> you want:
>
> try
> if sqrt(x)=y then
> <code>
> end if
> catch
> <do nothin>
> end try
>
> I think your best bet is to wait for 2.5 and see if you can add this
> handling yourself. Of course you might want to use ifx as a shorthand
> notation, but once you allow this on an if statement, you will want
> the same handling on while loops,
whilex is a needed addition indeed.
> for loops,
hmmm... I'd rather oush for a wfor; then wforx might be more relevant.
> assignments,
if rhs doesn't exist, don't assign. Sounds neat, but there are people out
there woh don't like this.
> procedure
> calls, function calls, ......
>
I can remember your reluctant view of preventive action being taken by having
a hook monitor the arglist. This would help implementing default routine
params, for instance. Corrective action is seldom better than prevention.
> Regards,
> Pete
Bottom line: you are right, as long as the handler can resume program
execution. And I'm afraid I read posts in the opposite direction by RC.
CChris
|
Not Categorized, Please Help
|
|
