Swift deinit can now consume what it owns
SE-0544: allow mutation and consumption of self in non-copyable type deinit.
Words by Mahdi Rajaee
The change
Previously
A deinit could only borrow its stored properties, never move out of them.
With this change
deinit may now call consuming and mutating methods on stored properties during destruction.
What it means
Teams can call existing cleanup methods from deinit instead of duplicating cleanup code.
My take
Resource cleanup stops being a second implementation of the code you already wrote.