[ { 'CORE::push' => '\@$' }, 'push just one', [ [ 1, 2 ], 3, 5 ], [ [ 1, 2, 3 ], 3, 5 ], [ 3 ] ],
[ { 'CORE::map' => '\&@' }, 'map', $m, $m, [ 11 .. 15 ] ],
[ 'main::mytrunc', 'truncate 1', [ 1 ], [ 1 ], [ undef, 1 ] ],
[ { 'CORE::push' => '\@$' }, 'push just one', [ [ 1, 2 ], 3, 5 ], [ [ 1, 2, 3 ], 3, 5 ], [ 3 ] ],
[ { 'CORE::map' => '\&@' }, 'map', $m, $m, [ 11 .. 15 ] ],
[ 'main::mytrunc', 'truncate 1', [ 1 ], [ 1 ], [ undef, 1 ] ],