Repeat For Each Iteration Order (was Re: use-livecode Digest, Vol 169, Issue 18)

Ben Rubinstein benr_mc at cogapp.com
Fri Oct 13 03:06:44 EDT 2017


On 12/10/2017 18:16, Mark Waddingham via use-livecode wrote:
>     - element chunks are ordered for arrays which are sequences*, unordered 
> for all other arrays
> 
> * An array is a sequence if: it has only integer keys, and keys range from 1 
> up to the number of elements in the array.
>    e.g. If the keys are 1, 2, 3, 4 - then that is a sequence; 0, 1, 2, 3 is 
> not; 1, 3, 4 is not.

Ooh - I didn't know that! That's very useful, especially now that I've 
switched to using the standard JSON library where we're frequently iterating 
over such sequences.

Ben




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