This is the implementation behind optionals in swift:
|
|
It is an algebraic data type. Swift has syntax to help make optionals more usable (if let, guard let, etc.)
Originally published 10/15/2021 https://pittcsc.org/, republished 09/20/2022.
This is the implementation behind optionals in swift:
|
|
It is an algebraic data type. Swift has syntax to help make optionals more usable (if let, guard let, etc.)
Originally published 10/15/2021 https://pittcsc.org/, republished 09/20/2022.