feat: generalize env

src/ty/internal/attrset.rs

@@ -6,12 +6,12 @@ use derive_more::Constructor;
 use itertools::Itertools;
 
 use crate::error::Result;
-use crate::vm::{LetEnv, VM};
+use crate::vm::{VmEnv, VM};
 
 use super::super::public as p;
 use super::Value;
 
-#[repr(C)]
+#[repr(transparent)]
 #[derive(Debug, Default, Constructor, Clone, PartialEq)]
 pub struct AttrSet<'jit: 'vm, 'vm> {
     data: HashMap<usize, Value<'jit, 'vm>>,
@@ -52,7 +52,7 @@ impl<'jit: 'vm, 'vm> AttrSet<'jit, 'vm> {
         self.data.get(&sym).is_some()
     }
 
-    pub fn capture(&mut self, env: &Rc<LetEnv<'jit, 'vm>>) {
+    pub fn capture(&mut self, env: &Rc<VmEnv<'jit, 'vm>>) {
         self.data.iter().for_each(|(_, v)| if let Value::Thunk(ref thunk) = v.clone() {
             thunk.capture(env.clone());
         })
@@ -68,6 +68,10 @@ impl<'jit: 'vm, 'vm> AttrSet<'jit, 'vm> {
         &self.data
     }
 
+    pub fn into_inner(self: Rc<Self>) -> Rc<HashMap<usize, Value<'jit, 'vm>>> {
+        unsafe { std::mem::transmute(self) }
+    }
+
     pub fn from_inner(data: HashMap<usize, Value<'jit, 'vm>>) -> Self {
         Self { data }
     }