//@ run-pass #![feature(dyn_star)] #![allow(incomplete_features)] trait Foo { fn get(&self) -> usize; } impl Foo for usize { fn get(&self) -> usize { *self } } fn invoke_dyn_star(i: dyn* Foo) -> usize { i.get() } fn make_and_invoke_dyn_star(i: usize) -> usize { let dyn_i: dyn* Foo = i; invoke_dyn_star(dyn_i) } fn main() { println!("{}", make_and_invoke_dyn_star(42)); }