provisionee.rs

struct Provisionee<S> {
    state: S,
}

impl Provisionee<Invite> {
    fn new() -> Self {
        Provisionee { state: Invite }
    }
}

impl From<Provisionee<Invite>> for Provisionee<Capabilities> {
    fn from(val: Provisionee<Invite>) -> Provisionee<Capabilities> {
        Provisionee {
            state: Capabilities,
        }
    }
}

impl From<Provisionee<Capabilities>> for Provisionee<Start> {
    fn from(val: Provisionee<Capabilities>) -> Provisionee<Start> {
        Provisionee { state: Start }
    }
}

struct Invite;
struct Capabilities;
struct Start;