Macro mpstthree::offer_mpst_b_to_a

macro_rules! offer_mpst_b_to_a {
    ($session : expr, { $($pat : pat => $result : block,) + }) => { ... };
}

Offer a choice to B from A between many different sessions wrapped in an enum

Arguments

• The session to be used
• Each path, which are each variant of the enum which contains the new branches
• The block of code to process each new session

Example

offer_mpst_b_to_a!(s, {
   CBranchesBtoA::End(s) => {
       close_mpst(s)
   },
   CBranchesBtoA::Video(s) => {
       let (request, s) = recv_mpst_b_from_c(s)?;
       let s = send_mpst_b_to_a(request + 1, s);
       let (video, s) = recv_mpst_b_from_a(s)?;
       let s = send_mpst_b_to_c(video + 1, s);
       authenticator_recurs(s)
   },
})?;