Initializer

init(objects:forKeys:)

Initializes a newly allocated dictionary with key-value pairs constructed from the provided arrays of keys and objects.

Declaration

convenience init(objects: [Any], forKeys keys: [NSCopying])

Parameters

objects

An array containing the values for the new dictionary.

keys

An array containing the keys for the new dictionary. Each key is copied (using copy(with:); keys must conform to the NSCopying protocol), and the copy is added to the new dictionary.

Discussion

This method steps through the objects and keys arrays, creating entries in the new dictionary as it goes. An NSInvalidArgumentException is raised if the objects and keys arrays do not have the same number of elements.

See Also

Creating a Dictionary from Objects and Keys

init(objects: UnsafePointer<AnyObject>?, forKeys: UnsafePointer<NSCopying>?, count: Int)

Initializes a newly allocated dictionary with the specified number of key-value pairs constructed from the provided C arrays of keys and objects.

init(object: Any, forKey: NSCopying)

Creates a dictionary containing a given key and value.