Info: https://github.com/Kametrixom/The-Swift-Make-It-Compile-Challenge

Challenge2.swift

// Do you like confusion? I like confusion. Make this compile. Some people may find it easier than others

_={${$1($0($2.0))($2.1)[{{({"\($0)"},0)}},{0}]()}}()({$0})(0)

protocol CryingEmoji {}
extension CryingEmoji {
    subscript(
        zero: () -> () -> (Any -> String, Int),
        one: () -> Int
    ) -> () -> ()
    {return {}}
}

func $(
    closure: (
        zero: Any -> (),
        one: () -> Any -> CryingEmoji,
        two: (Any, Any)
    ) -> ()
) -> (Any -> Any) -> (Int -> ()) {
    return {_ in {_ in}}
}

Congrats to @Jessy- for solving the challenge! I think this one wasn't easy, kudos to you!