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my $nelts = @array; # Number of elements.
my ($first) = @array; # First element.
my $nelts = some_func(); # Number of elements.
my ($first) = some_func(); # First element.
my @whole = some_func(); # Whole thing.
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
Results (113 votes),