feat: JIT (unusable, segfault)

src/vm/mod.rs

@@ -110,10 +110,7 @@ impl<'vm, 'jit: 'vm> VM<'jit> {
             OpCode::LoadThunk { idx } => {
                 stack.push(Value::Thunk(Thunk::new(self.get_thunk(idx)).into()))?
             }
-            OpCode::CaptureEnv => match stack.tos()? {
-                Value::Thunk(thunk) => thunk.capture(env.clone()),
-                _ => (),
-            },
+            OpCode::CaptureEnv => stack.tos().unwrap().as_ref().unwrap_thunk().capture(env.clone()),
             OpCode::ForceValue => {
                 stack.tos_mut()?.force(self)?;
             }
@@ -267,7 +264,7 @@ impl<'vm, 'jit: 'vm> VM<'jit> {
         Ok(0)
     }
 
-    pub fn compile_func(&'vm self, func: &Func<'vm>) -> JITFunc {
+    pub fn compile_func(&'vm self, func: &'vm F) -> &'vm JITFunc<'vm> {
         self.jit.compile_function(func, self).unwrap()
     }
 }