Rework of FFI, adding a value identifier, so we can keep knowledge of data even when data moves.

src/static_data/libraries/data_library.rs

@@ -14,8 +14,8 @@ pub trait DataLibrary<'a, T: 'a> {
     fn get_modify(&mut self) -> &mut IndexMap<StringKey, Arc<T>>;
 
     /// Adds a new value to the library.
-    fn add(&mut self, key: &StringKey, value: T) {
-        self.get_modify().insert(key.clone(), Arc::new(value));
+    fn add(&mut self, key: &StringKey, value: Arc<T>) {
+        self.get_modify().insert(key.clone(), value);
     }
 
     /// Removes a value from the library.