chore: cleanup

src/lib.rs

@@ -1,18 +1,13 @@
 #![cfg_attr(test, feature(test))]
 #![allow(dead_code)]
-#![feature(iter_collect_into)]
-#![feature(arbitrary_self_types)]
 
 mod builtins;
-mod bytecode;
 mod env;
 mod stack;
 mod ty;
 
-pub mod compile;
 pub mod error;
 pub mod ir;
-pub mod jit;
-pub mod vm;
-
+pub mod eval;
+pub mod engine;
 pub use ty::public::Value;