hm.

bleh.rs

trait Foo { fn bar(&self) -> bool; }

struct A;
impl Foo for A { fn bar(&self) -> bool { true } } 

struct B;
impl Foo for B { fn bar(&self) -> bool { false } }

let a = A; let b = B; let v = ~[&a as &Foo, &b as &Foo]; 

for i in v.iter() { println!("{}", i.bar()); }