Last I checked, push was substantially faster than unshift, which is a pretty good argument for using push/shift rather than unshift/pop.

The first time I checked, the difference was O(1) vs O(n). I fixed that to O(1) for both, but with a significantly worse constant on unshift.

In reply to Re^6: Incrementing string arrays when used with foreach loops by tilly
in thread Incrementing string arrays when used with foreach loops by gctaylor1

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