Initialized a newly allocated mutable array with the contents of the location specified by a given URL.
- iOS 8.0+
- macOS 10.10+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
The location of a file containing a string representation of a mutable array produced by
To URL: atomically:
A mutable array initialized to contain the contents specified by
nil if the location can’t be opened or if the contents of the location can’t be parsed into a mutable array. The returned objects must be different than the original receiver.
The array representation at the location identified by
a must contain only property list objects (
NSDictionary objects). The objects contained by this array are immutable, even if the array is mutable.