https://github.com/rust-lang/rfcs/issues/1626 https://github.com/rust-lang/rfcs/issues/1626 Looks like it's to do something with the top data without the overh

https://github.com/rust-lang/rfcs/issues/1626 https://github.com/rust-lang/rfcs/issues/1626 Looks like it's to do something with the top data without the overhead of pop()+push() Edit: ninja'd