Re: %LOOKUP startindex question

[Hans Boldt <boldt@xxxxxxxxxx>]

Dan wrote:
> For the new %LOOKUP bif:
>
>   %LOOKUP(arg : array {: startindex {: numelems}})
>
> is it true that none of the arguments (arg, array, startindex, numelems) used 
> in the bif are
> changed by the bif?  I ask because in the old LOOKUP op code, the startindex 
> value would be
> changed to reflect which element was found by the operation.

That's right. The index where the item is found is returned by the 
built-in function. For example, if you coded:

C     'X'    LOOKUP    ARRAY(X)            ----17

before, you might code it now as:

    X = %LOOKUP('X':ARRAY:X);
    *IN17 = X <> 0;

Cheers! Hans