Add ExpressibleByNilLiteral constraint on OptionalProtocol

Niclas Kristek · Niclas Kristek · commit 11a7d832c5da · 2020-10-05T13:12:16.000+02:00
Optional already implements this and this makes it possible to just write nil instead of .init(reconstructing: nil)
diff --git a/Sources/Optional.swift b/Sources/Optional.swift
@@ -7,7 +7,7 @@
 //
 
 /// An optional protocol for use in type constraints.
-public protocol OptionalProtocol {
+public protocol OptionalProtocol: ExpressibleByNilLiteral {
 	/// The type contained in the otpional.
 	associatedtype Wrapped
 
