Return Value 戻り値
false if the receiver really descends from NSObject, otherwise true.
Instance Method
インスタンスメソッド
is
isProxy()
Returns a Boolean value that indicates whether the receiver does not descend from
NSObject.Availability
- iOS 2.0+
- iPadOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
Technology
- Objective-C Runtime Objective-Cランタイム
Declaration 宣言
func isProxy() -> BoolDiscussion 解説
This method is necessary because sending is or is to an NSProxy object will test the object the proxy stands in for, not the proxy itself. Use this method to test if the receiver is a proxy (or a member of some other root class).