I think everybody agrees on the quality of go standard lib. Has anyone tried to reimplement it with a different language ? I'm thinking maybe D, Rust, nimrod,

I think everybody agrees on the quality of go standard lib. Has anyone tried to reimplement it with a different language ? I'm thinking maybe D, Rust, nimrod, java, scala, or even swift ( in anticipation to its open sourcing in a few months) could make good candidates.