gistfile1.txt

// user IDs not known at compile-time
let userIds = getUserIds() // [1, 2, 3, 4, 5]

let users = await withTaskGroup(of: User.self) { group in
    for id in userIds {
        group.addTask {
            await fetchUser(id: id)
        }
    }
    
    var users: [User] = []
    for await user in group {
        users.append(user)
    }
    
    return users
}