[REBOL] Screening multiple refinements Re:
From: al:bri:xtra at: 15-Sep-2000 17:50
Tim asked:
> How may a rebol function check to see whether or not it is a defined
function i.e:
> cursor: func[/eof /bof ] ;eof and bof would be allowable refinements
> [ ; code here]
>
> cursor/top ; would be an error
>> cursor: func [/eof /bof] [
[ if eof [print "eof refinement"]
[ if bof [print "refinement: bof"]
[ ]
>> cursor
== none
>> cursor/eof
eof refinement
== none
>> cursor/top
** Script Error: cursor has no refinement called top.
** Where: cursor/top
Andrew Martin
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