Hi List,
What is the meaning of thro?
I have seen it here and there but never quite understood its purpose.
Regards
Patrick
----- Original Message -----
From: "Ladislav Mecir"
> yes, it is useful. The following improvement uses the [throw] attribute
> to make the behaviour of the function more standard with respect to
Return:
>
> trif: func [
> {Three case if}
> [throw]
> condition
> iftrue [block!]
> iffalse [block!]
> ifnone [block!]
> ] [
> do either condition [
> iftrue
> ] [
> either none? condition [
> ifnone
> ] [
> iffalse
> ]
> ]
> ]
>
> ; example:
>
> f: does [trif request "give an answer" [return "yes"] [return "no"]
[return "cancel"] "Shoudn't get here"]
>
> Merry Christmas
>
> -Ladislav
>
>
>
>
>
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