Attachment: Download

relates to:

• SR-2657 error: '(f: () -> ())' is not convertible to '(f: () -> ())'

Issue Description:

It looks like Swift is currently having issues calling overloaded methods within overloaded methods.

Case in point:

I have the following method:

    @available(*, introduced: 1.0) final public func activity(_ name: String, page: Int = 1, completionHandler completion: @escaping Anilist.API.APIArrayResponseHandler<Activity>) {
        log("Getting activity info for \(name), page \(page)")
        let usableUsername = name.addingPercentEncoding(withAllowedCharacters: .urlPathAllowed) ?? ""
        let path = "user/\(usableUsername)/activity"
        self.associatedSession?.api.performAPITaskGET(path: path, getParameters: ["page" : "\(page)"], completionHandler: nil, completionHandlerArray: completion)
    }

This method has the signature `activity(_ name: String, page: Int, completionHandler: Anilist.API.APIArrayResponseHandler<Activity>`. We will call this the "String version of Activity".

I have this other method which is simply a convenience method to call the above one with an integer as the "name" parameter.

    @available(*, introduced: 1.0) final public func activity(_ id: Int, page: Int = 0, completionHandler completion: Anilist.API.APIArrayResponseHandler<Activity>) {
        self.activity("\(id)", page: page, completionHandler: completion)
    }

Which like you can see, is just an overload of the method I posted earlier. `activity(id: Int, page: Int, completionHandler: Anilist.API.APIArrayResponseHandler<Activity>`. We will call this "Int version of Activity".

On the line where I try to call the "String version of Activity", Swift complains:

"Cannot convert value of type 'String' to expected argument of type 'Int'"

Basically, this method call wants to call itself recursively and does not see there's a different version in the same scope.

Unfortunately, I have no idea when this broke. I wrote this code in the Xcode 8.0/Swift 3.0 beta days and it used to work fine. If memory serves me right, this error started happening on the final release of Xcode 8.0 and Swift 3.0

I need to note that autocompletion works fine. When typing `self.activity...` within the "Int Version of Activity" autocompletion shows and completes the "String version of Activity" and inserts it there. So this is most likely a compiler bug.