Q on Accessing multi-dimension arrays.
Dick Kriesel
dick.kriesel at mail.com
Thu Apr 26 17:53:36 EDT 2018
> On Apr 26, 2018, at 12:14 PM, Brian Milby via use-livecode <use-livecode at lists.runrev.com <mailto:use-livecode at lists.runrev.com>> wrote:
>
> tPath can also be thought of as a (proper) list which makes a little more
> sense. Mark W would need to answer the why.
The following excerpts provide a quote from Mark W:
> On Mar 12, 2012, at 10:19 AM, Pete wrote:
>
>> I'm wondering how you found about about this key values array feature? I
>> can't find any mention of it in the dictionary or the reference manual and
>> it sure seems like something that should be known!
>
> On Mar 12, 2012, at 1:18 PM, Dick Kriesel <dick.kriesel at mail.com <mailto:dick.kriesel at mail.com>> wrote:
>
> I found it while looking through bug reports for arrays, in <http://quality.runrev.com/show_bug.cgi?id=7166 <http://quality.runrev.com/show_bug.cgi?id=7166>> dated 2008-11-28. So, thanks be to Mark Waddingham and David Bovill for that.
>
> For convenience, here's Mark's reply to David:
>
> Thanks for the suggestion.
>
> This is on the list to include for the next version. In that version with:
> put tValue into tArray[tKey]
> (indeed anywhere you can currently do tArray[tKey])
>
> The meaning of 'tKey' will be extended:
> 1) If it is a string then it is as it is now
> 2) If it is a numerically keyed array starting at 1, then it will mean:
> put tValue into tArray[tKey[1]][tKey[2]]...[tKey[n]]
> where <n> is the number of elements in tKey
> 3) Otherwise it is an error.
>
> This will allow you to construct an array containing the path to the key you
> want to modify/fetch/delete dynamically.
>
> I agree, the feature's worth adding into the dictionary and manual.
>
> -- Dick
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