[REBOL] Re: count function
From: joel:neely:fedex at: 5-Jul-2001 10:09
Hi, Anton,
Anton wrote:
> Here's another way:
>
> count: func [s t /local n][
> n: 0
> while [s: find/tail s t][n: n + 1]
> ]
>
I realize that the subject of zero is highly sensitive ;-)
but the above only returns a count if T actually appears
in S.
>> count: func [s t /local n][
[ n: 0
[ while [s: find/tail s t][n: n + 1]
[ ]
>> count "ABCABCABC" "AB"
== 3
but
>> count "ABCABCABC" "D"
== none
which is why I prefer to return N explicitly.
-jn-
___________________________________________________________________
The purpose of computing is insight, not numbers!
- R. W. Hamming
joel'dot'neely'at'fedex'dot'com
