# Checking that testing is sane: subroutines use v6-alpha; say '1..5'; sub ok($num) { say "ok $num"; } ok(1); ok 2; my $counter = 2; sub ok_auto { ++$counter; say "ok $counter"; } ok_auto(); ok_auto; sub run_sub(Code &code) { code(); } run_sub( -> $blah { say "ok 5"; } );