exit status: 1 with stderr:
<stdin>:6:13: warning: typealias overriding associated type 'T' from protocol 'P' is better expressed as same-type constraint on the protocol typealias T = Int ~~~~~~~~~~^~~~~~~ <stdin>:2:18: note: 'T' declared here associatedtype T ^ <stdin>:9:11: error: protocol 'Q' can only be used as a generic constraint because it has Self or associated type requirements func f(q: Q) {} ^