Devlog 3: An almost-broken parser!

I made a very basic AST parser! The AST (abstract syntax tree) is the in-memory representation of the code as a tree. This took a really long time. My machine froze and my interpreter produced incomprehensible errors about wanting a word token, but in the end cargo test passed, so I’m happy.

It also doesn’t support anything other than function calls, but this is a great first step in creating an actually walkable AST.