Function toMethod

object.go:1407–1417

(v Value)

}

func toMethod(v Value) func(FunctionCall) Value {
	if v == nil || IsUndefined(v) || IsNull(v) {
		return nil
	}
	if obj, ok := v.(*Object); ok {
		if call, ok := obj.self.assertCallable(); ok {
			return call
		}
	}
	panic(newTypeError("%s is not a method", v.String()))
}

func instanceOfOperator(o Value, c *Object) bool {
	if instOfHandler := toMethod(c.self.getSym(SymHasInstance, c)); instOfHandler != nil {