exit status: 1 with stderr:
<stdin>:3:17: error: consecutive statements on a line must be separated by ';' func f() -> some P { return 3 } ^ ; <stdin>:3:13: error: use of undeclared type 'some' func f() -> some P { return 3 } ^~~~ <stdin>:3:18: error: 'P' cannot be constructed because it has no accessible initializers func f() -> some P { return 3 } ^