Remove lifetime mess, replace a lot of code with Arc instead of borrows.

This cleans up the codebase massively, and allows me to maintain some semblance of sanity.

src/static_data/libraries/move_library.rs

@@ -1,3 +1,5 @@
+use std::sync::Arc;
+
 use indexmap::IndexMap;
 
 use crate::static_data::DataLibrary;
@@ -9,7 +11,7 @@ use crate::StringKey;
 #[cfg_attr(feature = "wasm", derive(unique_type_id_derive::UniqueTypeId))]
 pub struct MoveLibrary {
     /// The underlying map.
-    map: IndexMap<StringKey, MoveData>,
+    map: IndexMap<StringKey, Arc<MoveData>>,
 }
 
 impl MoveLibrary {
@@ -22,10 +24,10 @@ impl MoveLibrary {
 }
 
 impl DataLibrary<'_, MoveData> for MoveLibrary {
-    fn map(&self) -> &IndexMap<StringKey, MoveData> {
+    fn map(&self) -> &IndexMap<StringKey, Arc<MoveData>> {
         &self.map
     }
-    fn get_modify(&mut self) -> &mut IndexMap<StringKey, MoveData> {
+    fn get_modify(&mut self) -> &mut IndexMap<StringKey, Arc<MoveData>> {
         &mut self.map
     }
 }