Is it possible to have a generic protocol in swift? I tried protocol foo<T>{} and that is not legal. I'm looking for something that can be used similarly to Java's List<T> interface.
There is no such thing as generics for protocols. But there is something else, which ressembles a lot to the generics when you look at it.
Here is an example taken from the Swift standard library:
protocol Generator {
typealias Element
func next() -> Element?
}
The Swift book scratches the surface in the Generics chapter, Associated Types.
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