feat: gc-arena (WIP, does not compile)

src/stack.rs

@@ -1,6 +1,8 @@
 use std::mem::{MaybeUninit, replace, transmute};
 use std::ops::Deref;
 
+use gc_arena::Collect;
+
 use crate::error::*;
 
 macro_rules! into {
@@ -18,6 +20,14 @@ pub struct Stack<T, const CAP: usize> {
     top: usize,
 }
 
+unsafe impl<T: Collect, const CAP: usize> Collect for Stack<T, CAP> {
+    fn trace(&self, cc: &gc_arena::Collection) {
+        for v in self.iter() {
+            v.trace(cc);
+        }
+    }
+}
+
 impl<T, const CAP: usize> Default for Stack<T, CAP> {
     fn default() -> Self {
         Self::new()