Swift Overloading issue

Question

As we know, the Swift language allows Function Overloading, in Objective-c the overloading is not legal.

So I test in my demo project:

import UIKit

class FuncOverLoad: NSObject {

func helloFuc (_ what:String) {

}
func helloFuc (_ what:Int) {

}


func helloFuc() -> String {

    return "one"

}
func helloFuc() -> Int {

    return 1

}
}

But, why there comes the error:

Method ‘helloFuc’ with Objective-C selector ‘helloFunc:’ conflicts with previous declaration with the same Objective-C selector

I take the picture:

Why comes the issue, if Swift function overloading is legal?

That's a bad duplicate for this question. A much better one would be http://stackoverflow.com/questions/29457720/compiler-error-method-with-objective-c-selector-conflicts-with-previous-declara?s=1|6.5289 — rmaddy, Dec 24 '16 at 06:03

score 1 · Accepted Answer · answered Dec 24 '16 at 05:59

1

In your case, removing : NSObject would clear the errors.

answered Dec 24 '16 at 05:59

Unheilig

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if subclass of `NSObject`, if is related to `Objective-C` ? – aircraft Dec 24 '16 at 06:06
if this, the Swift's Overloading characteristic is little actual significance in development iOS, because the `vc`, or `controls` and so on. – aircraft Dec 24 '16 at 06:19
Subclassing `NSObject` implies `@objc`, so you're bound by the same rules as Objective C – Alexander Dec 24 '16 at 06:24

Swift Overloading issue

1 Answers1