True but I think we should consider some consitency for apis, I'd prefer docs independent transparency but I could live with good documentation (guidline update?).
-- Adrian Zubarev Sent with Airmail Am 13. Juni 2016 um 06:27:22, Charlie Monroe ([email protected](mailto:[email protected])) schrieb: > > > > On Jun 11, 2016, at 3:35 PM, Adrian Zubarev via swift-evolution > > <[email protected](mailto:[email protected])> wrote: > > > > I just installed the current Swift 3 snapshot to play around with it (last > > from may crashed my Xcode all the time). > > > > > > I wanted to re-build a small project with (currently implemented) Swift 3 > > changes. Basically I had to look up on GitHub what the default value for > > deinitialize(count:) function was for UnsafeMutablePointer, just because > > Xcode and the docs can’t tell me that: > > > > /// De-initialize the `count` `Pointee`s starting at `self`, returning /// > > their memory to an uninitialized state. /// /// - Precondition: The > > `Pointee`s at `self..<self + count` are /// initialized. /// /// - > > Postcondition: The memory is uninitialized. public func deinitialize(count: > > Int = default) > > > > To cut it short: > > > > Could we make default function parameter values more transparent in Swift 3? > > Why are default parameter values translated to default rather than the > > actual value? > > > > > > > > I guess that in some cases you don't want the default value to be known, or > is irrelevant. Most importantly, it can be a more complex expression - e.g. > creating an object and calling something on it: > > private let mySecretNumber = 0x999 > public func deinitialize(count: Int = NSProcessInfo().processorCount + > mySecretNumber) > > And that's a pretty example, it can get much nastier. Since mySecretNumber is > private, it definitely cannot be exposed. > > > > Can we make this independent from docs? > > > > > > > > -- > > Adrian Zubarev > > Sent with Airmail > > > > _______________________________________________ > > swift-evolution mailing list > > [email protected](mailto:[email protected]) > > https://lists.swift.org/mailman/listinfo/swift-evolution >
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