fix(world): added a ! to a boolean expression.

EngoEngine · May 5, 2020 · 8f4c6ac · 8f4c6ac
1 parent c391582
commit 8f4c6ac
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/world.go b/world.go
@@ -33,7 +33,7 @@ func (w *World) AddSystemInterface(sys SystemAddByInterfacer, in interface{}, ex
 		w.sysIn = make(map[reflect.Type][]reflect.Type)
 	}
 
-	if reflect.TypeOf(in).AssignableTo(reflect.TypeOf([]interface{}{})) {
+	if !reflect.TypeOf(in).AssignableTo(reflect.TypeOf([]interface{}{})) {
 		in = []interface{}{in}
 	}
 	for _, v := range in.([]interface{}) {