my %hash = (a => 'b', c => 'd');  # right side in list context
my ($pair1, $pair2) = %hash;      # right side in list context
$pair1.key      # >>> "a"
$pair1.value    # >>> "b"
$pair2.key      # >>> "c"
$pair2.value    # >>> "d"
(e => 'f').key  # >>> "e"
+%hash          # >>> 2           # Num item context