exit status 1 with stderr:
<stdin>:6:1: error: type 'K' does not conform to the 'Sendable' protocol 4 | typealias A<Field: Sendable> = S<Field, String> 5 | 6 | extension A: Error {} | `- error: type 'K' does not conform to the 'Sendable' protocol 7 | //extension S: Error where K: Sendable {} 8 | ここは手元だとエラー