- Reactive Programming with Swift 4
- Navdeep Singh
- 77字
- 2021-06-24 18:58:02
Differentiating between single-tuple and multiple-argument function types
f: (Void) -> ()
When using f: (Void) -> () for the type of a function argument, it is generally meant to be f: () -> (), so the migrator will suggest that you use this type instead. Otherwise, with the new rules in SE-0110 for Swift 4, you will need to call the f function as f(()).
To read more about the Swift proposals, you can visit https://Apple.github.io/swift-evolution/.
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