--- /dev/null
+.string a;
+.string b;
+..string ps;
+
+void(entity e, .string s) callout = {
+ print(e.s, "\n");
+};
+
+void() main = {
+ local entity e;
+ e = spawn();
+ e.a = "foo";
+ e.b = "bar";
+ callout(e, b);
+ e.ps = a;
+ print(e.(e.ps), "\n");
+};