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// run-pass
#![allow(non_camel_case_types)]
trait clam<A> {
fn chowder(&self, y: A);
}
#[derive(Copy, Clone)]
struct foo<A> {
x: A,
}
impl<A> clam<A> for foo<A> {
fn chowder(&self, _y: A) {
}
}
fn foo<A>(b: A) -> foo<A> {
foo {
x: b
}
}
fn f<A>(x: Box<dyn clam<A>>, a: A) {
x.chowder(a);
}
pub fn main() {
let c = foo(42);
let d: Box<dyn clam<isize>> = Box::new(c) as Box<dyn clam<isize>>;
f(d, c.x);
}
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