/*
 * Hello World!
 * これはコメントです。
 */
channel Signup {
    out accounts(accounts: List, signup(name: Str)) = append(accounts, {"name": name})
}

// This is a single-line comment
channel ChangeName(uid: Int) { // Describe // this line is contained by former comment.
    out accounts.{uid}.name(n: Str, changeName(name)) = name
}