+watch { cast $a, $wiz } { }, 'cast';
+
+my $b;
+# $b has to be set inside the block for the test to pass on 5.8.3 and lower
+watch { $b = $a } { get => 1 }, 'assign to';
+is $b, $n, 'get: assign to correctly';
+
+$b = watch { "X${a}Y" } { get => 1 }, 'interpolate';
+is $b, "X${n}Y", 'get: interpolate correctly';
+
+{
+ my $val = 0;