exit status: 1 with stderr:
<stdin>:21:1: error: ambiguous use of 'get' future.get { value in ^ <stdin>:6:10: note: found this candidate func get(_ body: @escaping (Result<Output, Failure>) -> Void) { ^ <stdin>:13:10: note: found this candidate func get(_ body: @escaping (Output) -> Void) { ^