fix: use typeid of atoms for their unique ID (#558)

packages/fermi/src/atoms/atomfamily.rs

@@ -4,7 +4,7 @@ use im_rc::HashMap as ImMap;
 pub struct AtomFamilyBuilder;
 pub type AtomFamily<K, V> = fn(AtomFamilyBuilder) -> ImMap<K, V>;
 
-impl<K, V> Readable<ImMap<K, V>> for AtomFamily<K, V> {
+impl<K, V: 'static> Readable<ImMap<K, V>> for AtomFamily<K, V> {
     fn read(&self, _root: AtomRoot) -> Option<ImMap<K, V>> {
         todo!()
     }
@@ -14,11 +14,14 @@ impl<K, V> Readable<ImMap<K, V>> for AtomFamily<K, V> {
     }
 
     fn unique_id(&self) -> AtomId {
-        *self as *const ()
+        AtomId {
+            ptr: *self as *const (),
+            type_id: std::any::TypeId::of::<V>(),
+        }
     }
 }
 
-impl<K, V> Writable<ImMap<K, V>> for AtomFamily<K, V> {
+impl<K, V: 'static> Writable<ImMap<K, V>> for AtomFamily<K, V> {
     fn write(&self, _root: AtomRoot, _value: ImMap<K, V>) {
         todo!()
     }