ask<T>: Typed answers

type Category = Billing | Bug | Question

type Triage {
    /// what the customer needs
    category: Category
    /// true if the customer can't use the product at all
    urgent: Bool
    /// a one-line summary for the support team
    summary: String
}

agent Inbox {
    can Ai, Console

    on message(text: String) ! Error {
        const t = try ask<Triage>("Sort this support message: {text}")
        match t.category {
            Category.Billing => print("to billing, urgent: {t.urgent}"),
            Category.Bug => print("to engineering, urgent: {t.urgent}"),
            Category.Question => print("to the help desk, urgent: {t.urgent}"),
        }
    }
}

fn main() {
    const bot = Inbox.start()
    bot.message("I was charged twice this month") catch e => print("failed: {e}")
}