More documentation.

tests/common/library_loader.rs

@@ -59,7 +59,7 @@ pub fn load_types(path: &String, type_library: &mut TypeLibrary) {
 
         for (i, v) in record.iter().skip(1).enumerate() {
             let effectiveness = v.parse::<f32>().unwrap();
-            type_library.set_effectiveness(offensive_type_id, i as u8, effectiveness);
+            type_library.set_effectiveness(offensive_type_id, (i as u8).into(), effectiveness);
         }
     }
 }