Hi Mat,
because I was pressed for time, this was the first time I
didn't run my examples through Rebol, and ... well, you see :-(
I made one error, really ... I forgot the ' before error,
but Rebol itself made another, because it doesn't catch the
error ...
if error? set/any 'error try [ 0/0 ] [ ; notice 'error
error: disarm error
print [ "Now you can savely work with: " mold error]
]
the 'error is needed, because otherwise error will be evaluated,
actually, this doesn't work either ...
if error? set/any 'error try [ 0 / 0 ] [ ; notice spaces between 0 / 0
error: disarm error
print [ "Now you can savely work with: " mold error]
]
Now _that_ will work.
(Console session)
>> if error? set/any 'error try [ 0 / 0 ] [
[ error: disarm error
[ print [ "Now you can savely work with: " mold error]
[ ]
Now you can savely work with:
make object! [
code: 400
type: 'math
id: 'zero-divide
arg1: none
arg2: none
arg3: none
near: [0 / 0]
where: none
]
The version 0/0 creates a syntax error, because the parser thinks,
that numbers, seperated by "/" must be a date, and 0/0 is by no means
a valid date. These errors seem not to be handled by 'try ... hmmmm
I hope that clarifies it a bit
Ingo
Once upon a time Mat Bettinson spoketh thus:
> Heya Ingo,
>
> IH> if error? set/any error try [ 0/0 ] [
> IH> error: disarm error
> IH> print [ "Now you can savely work with: " mold error]
> IH> ]
>
> This doesn't actually work though? Using true to force error to return
> works though. (so I'm happy!) This just blows out with the actual error and fails to
> trap it at all.
>
> --
> Mat Bettinson - EuroGamer's Gaming Evangelist with a Goatee
> http://www.eurogamer.net | http://www.eurogamer-network.com
>
>
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