Fix the issue of duplicate unique ID for atoms using newtype.

The MergeFunctionsPass in LLVM merges identical functions (https://rust.godbolt.org/z/3nnr9nMne), resulting in the same function addresses.

packages/fermi/src/atoms/atomfamily.rs

@@ -2,23 +2,23 @@ use crate::{AtomId, AtomRoot, Readable, Writable};
 use im_rc::HashMap as ImMap;
 
 pub struct AtomFamilyBuilder;
-pub type AtomFamily<K, V> = fn(AtomFamilyBuilder) -> ImMap<K, V>;
+pub struct AtomFamily<K, V>(pub fn(AtomFamilyBuilder) -> ImMap<K, V>);
 
-impl<K, V> Readable<ImMap<K, V>> for AtomFamily<K, V> {
+impl<K, V> Readable<ImMap<K, V>> for &'static AtomFamily<K, V> {
     fn read(&self, _root: AtomRoot) -> Option<ImMap<K, V>> {
         todo!()
     }
 
     fn init(&self) -> ImMap<K, V> {
-        (*self)(AtomFamilyBuilder)
+        self.0(AtomFamilyBuilder)
     }
 
     fn unique_id(&self) -> AtomId {
-        *self as *const ()
+        *self as *const AtomFamily<K, V> as *const ()
     }
 }
 
-impl<K, V> Writable<ImMap<K, V>> for AtomFamily<K, V> {
+impl<K, V> Writable<ImMap<K, V>> for &'static AtomFamily<K, V> {
     fn write(&self, _root: AtomRoot, _value: ImMap<K, V>) {
         todo!()
     }