Once upon a time, I wrote an interpreter for Stratego Core in Rust, which I named strs. Stratego Core is the core language that Stratego is compiled to before the compiler goes further (to Java, or previously to C). A core language is an intermediate representation that is a subset of the surface language. While I optimised that interpreter quite a bit, I noticed that the CTree (Stratego Core Abstract Syntax Tree) that the compiler spit out for me to interpret was very unoptimised. Therefore ...
