Super Preliminary Elm - Web Assembly Research
Back in December 2017, I started working on something I called Elmish-Wasm, which was just an experimental repo to compile something Elm-like to Wasm. I made some progress, but the helpful people I talked and I came to the conclusion that most of what I had so far (Haskell and Regex to interpret .elm files into rudimentary wasm) was something the Elm compiler and the Elm AST already did. Writing that code was a lot of fun, but maybe not the most valuable way to explore Elm and WebAssembly. Before jumping back into this project I would like to record the important facts and questions related to compiling Elm to Wasm.
What is Wasm?
A lot of people talk about Web Assembly as if its C++ that runs in the browser. Thats not the case. This belief must come from that fact that C can currently compile to web assembly. Wasm is human-unreadable bytecode. There is a human-readable version of wasm, called wat. It looks like this..
;; A function that adds two numbe