| //@ run-pass | |
| 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); | |
| } |