What is (()?) And ()? means fast?
var aa: (()?) = (john.residence?.address = someAddress)
var bb: ()? = john.residence?.printNumberOfRooms()
Does it only share zero?
+3
jjaeko
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()
- an empty tuple type (same as Void
).
()?
is a complementary version of this.
(()?)
is a set containing a type ()?
, so it boils down to just()?
+6
Mike pollard
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