Make LearnableMoves a trait

tests/common/library_loader.rs

@@ -17,9 +17,9 @@ use pkmn_lib::dynamic_data::Gen7MiscLibrary;
 use pkmn_lib::script_implementations::wasm::script_resolver::WebAssemblyScriptResolver;
 use pkmn_lib::static_data::{
     AbilityImpl, AbilityLibrary, BattleItemCategory, DataLibrary, EffectParameter, Form, GrowthRateLibrary, ItemImpl,
-    ItemLibrary, LearnableMoves, LibrarySettings, LookupGrowthRate, MoveDataImpl, MoveLibrary, NatureImpl,
-    NatureLibrary, SecondaryEffect, SecondaryEffectImpl, Species, StaticData, StaticStatisticSet, Statistic,
-    TypeLibrary,
+    ItemLibrary, LearnableMoves, LearnableMovesImpl, LibrarySettings, LookupGrowthRate, MoveDataImpl, MoveLibrary,
+    NatureImpl, NatureLibrary, SecondaryEffect, SecondaryEffectImpl, Species, StaticData, StaticStatisticSet,
+    Statistic, TypeLibrary,
 };
 use pkmn_lib::StringKey;
 
@@ -368,8 +368,8 @@ where
     )
 }
 
-fn parse_moves(value: &Value, move_library: &MoveLibrary) -> LearnableMoves {
-    let mut moves = LearnableMoves::default();
+fn parse_moves(value: &Value, move_library: &MoveLibrary) -> Box<dyn LearnableMoves> {
+    let mut moves = LearnableMovesImpl::default();
 
     let level_moves = value.get("levelMoves").unwrap().as_array().unwrap();
     for level_move in level_moves {
@@ -379,7 +379,7 @@ fn parse_moves(value: &Value, move_library: &MoveLibrary) -> LearnableMoves {
         moves.add_level_move(level, &name);
     }
 
-    moves
+    Box::new(moves)
 }
 
 fn parse_effect_parameter(value: &Value) -> EffectParameter {