value(forKey:)
Returns the value associated with a given key.
Declaration
func value(forKey key: String) -> Any?Parameters
- key:
The key for which to return the corresponding value. Note that when using key-value coding, the key must be a string (see 20002170).
Return Value
The value associated with key.
Discussion
If key does not start with “@”, invokes object(forKey:). If key does start with “@”, strips the “@” and invokes [super valueForKey:] with the rest of the key.