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// run-pass
// pretty-expanded FIXME #23616
trait Serializer {
}
trait Serializable {
fn serialize<S:Serializer>(&self, s: S);
}
impl Serializable for isize {
fn serialize<S:Serializer>(&self, _s: S) { }
}
struct F<A> { a: A }
impl<A:Serializable> Serializable for F<A> {
fn serialize<S:Serializer>(&self, s: S) {
self.a.serialize(s);
}
}
impl Serializer for isize {
}
pub fn main() {
let foo = F { a: 1 };
foo.serialize(1);
let bar = F { a: F {a: 1 } };
bar.serialize(2);
}
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