In perl, '..' generates a range between two values. I don't think it actually has the array context at the point that it's generated, so [4..-1] generates the same as:

my @indexes = (4..-1); #empty list
@array[@indexes];

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In reply to Re: Reasoning behind -1 not working in slices? by jhourcle
in thread Reasoning behind -1 not working in slices? by Splutty

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