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

Spencer Brower · Noofbiz · commit 8f4c6ac5583d · 2020-05-05T15:14:41.000-04:00
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{}) {

Original file line number	Diff line number	Diff line change
`@@ -33,7 +33,7 @@ func (w *World) AddSystemInterface(sys SystemAddByInterfacer, in interface{}, ex`
`33`	`33`	`w.sysIn = make(map[reflect.Type][]reflect.Type)`
`34`	`34`	`}`
`35`	`35`
`36`		`- if reflect.TypeOf(in).AssignableTo(reflect.TypeOf([]interface{}{})) {`
	`36`	`+ if !reflect.TypeOf(in).AssignableTo(reflect.TypeOf([]interface{}{})) {`
`37`	`37`	`in = []interface{}{in}`
`38`	`38`	`}`
`39`	`39`	`for _, v := range in.([]interface{}) {`