feat: migrate to cranelift (WIP)

src/env.rs

@@ -1,4 +1,4 @@
-use std::fmt::Debug;
+use core::fmt::Debug;
 use std::rc::Rc;
 
 use ecow::EcoString;
@@ -12,7 +12,6 @@ pub struct Env {
     cache: Vec<HashMap<usize, Value>>,
     with: Vec<Rc<HashMap<EcoString, Value>>>,
     args: Vec<Value>,
-    pub args_len: usize,
 }
 
 impl Env {
@@ -21,7 +20,6 @@ impl Env {
             cache: Vec::from([HashMap::new()]),
             with: Vec::new(),
             args: Vec::new(),
-            args_len: 0,
         }
     }
 
@@ -89,7 +87,7 @@ impl Env {
     }
 
     pub fn enter_arg(&mut self, arg: Value) {
-        self.args.push(arg)
+        self.args.push(arg);
     }
 
     pub fn pop_args(&mut self, len: usize) -> Vec<Value> {