Yes, it does work without use feature qw(:5.12);, but you might want to keep it anyway just to show that the code requires v5.12, otherwise you might have problems trying to run code on older Perls.
In reply to Re^5: why doesn't "my ($a,$b)" return a list?
by kejohm
in thread why doesn't "my ($a,$b)" return a list?
by LanX
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