in reply to Re: Re: undef'ing @arrays caveat
in thread undef'ing @arrays caveat

True, and in fact if you undef @array the effect is identical.

Try using Devel::Peek. undef @array sets MAX to -1, @array = () does not. Or use Benchmark and find out that undef @array is about twice as fast. The effect is the same, but internally, there's something entirely different going on.

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