use std; fn main() { obj a() { fn foo() -> int { ret 2; } fn bar() -> int { ret self.foo(); } } let my_a = a(); // Degenerate anonymous object: one that doesn't add any new // methods or fields. let my_d = obj () { with my_a }; assert (my_d.foo() == 2); assert (my_d.bar() == 2); }