[swift-evolution] [Pitch] Nil struct

[Pyry Jahkola]

If we start from this thought…

> Adrian Zubarev wrote:
> Shouldn’t it be just like this:
> public protocol ExpressibleByNilLiteral {
> 
>   init(nilLiteral: Nil)
> }

Then why not just:

    public protocol ExpressibleByIntLiteral {
      static var `nil`: Self
    }

…such that Foo.nil creates your nil value of type Foo?

— Pyry

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