Add unchecked

ecs/src/world.rs

@@ -115,6 +115,18 @@ impl World {
         ))
     }
 
+    pub fn entity_resources_unchecked<'a>(
+        &mut self,
+        entity: Entity,
+    ) -> Result<(&'a mut EntityObject, &'a mut Resources)> {
+        Ok((
+            // actually safe:
+            // entity_mut only accesses entity map
+            unsafe { remove_life_time_mut(self.entity_mut(entity)?) },
+            unsafe { remove_life_time_mut(&mut self.resources) },
+        ))
+    }
+
     pub fn entity(
         &self,
         entity: Entity,