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//@ run-pass
#![allow(dead_code)]
// If we use GEPi rather than GEP_tup_like when
// storing closure data (as we used to do), the u64 would
// overwrite the u16.
struct Pair<A,B> {
a: A, b: B
}
struct Invoker<A> {
a: A,
b: u16,
}
trait Invokable<A> {
fn f(&self) -> (A, u16);
}
impl<A:Clone> Invokable<A> for Invoker<A> {
fn f(&self) -> (A, u16) {
(self.a.clone(), self.b)
}
}
fn f<A:Clone + 'static>(a: A, b: u16) -> Box<dyn Invokable<A>+'static> {
Box::new(Invoker {
a: a,
b: b,
}) as Box<dyn Invokable<A>+'static>
}
pub fn main() {
let (a, b) = f(22_u64, 44u16).f();
println!("a={} b={}", a, b);
assert_eq!(a, 22u64);
assert_eq!(b, 44u16);
}
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