my $subref = sub { return }; for my $i (1..100_000) { some_expensive_sub(); $subref->(); $subref->(); # identical but faster! 1; # loop } sub some_expensive_sub{ my @x = (1000..1010); m/x/ for @x; }
my $subref = sub { return }; for my $i (1..100_000) { some_expensive_sub(); $subref->(); $subref->(); # identical but faster! 1; # loop } sub some_expensive_sub{ my @x = (1000..1010); m/x/ for @x; }