Re: Array.indexOf(value,startingIndex) has a gotcha!

[Jonathan Johnson <jonj at realsoftware dot com>]

On 11/30/05, Robert Woodhead <trebor at animeigo dot com> wrote:
> Either this is bad behavior (my opinion is it should return -1; other
> languages do this, and IIRC .inStr returns 0 if you go off the end)
> or it absolutely needs to be documented in the manual, because it's a
> total timebomb.

All array operations will throw an OutOfBounds exception if you pass
in an index that is invalid.

> The workaround is yucky:
>
> n = myArray.indexOf(dork)
>
> while (n<>-1)
>
>     dedorkify(myArray(n))
>
>     if n<uBound(myArray) then n = myArray.indexOf(dork,n+1) else n=-1
>
> wend

Why not just:

while n >= 0 and n <= ubound( myArray )
  dedorkify(myArray(n))
  n = myArray.IndexOf( dork, n+1 )
wend

--
Jonathan Johnson
REAL Software, Inc.

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