a message to each object in the array, starting with the first object and continuing through the array to the last object.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
A selector that identifies the message to send to the objects in the array. The method must take a single argument of type id, and must not have the side effect of modifying the receiving array.
The object to send as the argument to each invocation of the
This method raises an