Comments

[BookOwl]

The syntax for comments will be

# This is a comment

[BookOwl]

I think that this will require writing a custom lexer. :(

[skistaddy]

My language's parser returns a Vec<String>. It could easily be modified to suit your language.

[skistaddy]

We also have almost the same configuration for our lib.rs, but my language does not use Rust Nightly. I'm not sure if that'll affect the actual code at all, but you can give it a shot.