const Waiter = struct unpark_flag: UnparkFlagnext: ?*WaiterNever modified once the Waiter is in the linked list.
tid: ParkTidNever modified once the Waiter is in the linked list.
17905
17906
17907
17908
17909
17910
17911 const Waiter = struct {
unpark_flag: UnparkFlag,
/// Never modified once the `Waiter` is in the linked list.
next: ?*Waiter,
/// Never modified once the `Waiter` is in the linked list.
tid: ParkTid,
}