I wrote up a simple, naive implementation of thunks in Rust but I've been having trouble compiling a test example, inference is unifying to () and I'm not able to fill in a type parameter to override this.

It's a small example so I threw it in a gist.

https://gist.github.com/4221872

This is with rustc 0.4

Thanks!