Swift Deinitializers
Swift Deinitializers
Run cleanup code before a class instance is deallocated using deinit.
deinit
Deinitializers are called automatically when an instance is deallocated.
Syntax: deinit { ... }
Example
class FileHandle {
init() { print("open") }
deinit { print("close") }
}
var h: FileHandle? = FileHandle()
h = nil // prints "close"Deinitializers are useful for cleanup tasks like closing files, releasing resources, or removing observers.
