state_machine_future 0.2.0

Easily create type-safe `Future`s from state machines — without the boilerplate.
Documentation 
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//! Test that we handle overlapping start/ready/error states properly.

extern crate futures;
#[macro_use]
extern crate state_machine_future;

use futures::Poll;
use state_machine_future::RentToOwn;

#[derive(StateMachineFuture)]
pub enum AllOverlapping {
    #[state_machine_future(start)]
    #[state_machine_future(ready)]
    #[state_machine_future(error)]
    OnlyState(()),
}

#[derive(StateMachineFuture)]
pub enum NotOverlapping {
    #[state_machine_future(start)]
    #[state_machine_future(transitions(Ready, Error))]
    Start,
    #[state_machine_future(ready)]
    Ready(()),
    #[state_machine_future(error)]
    Error(()),
}

impl PollNotOverlapping for NotOverlapping {
    fn poll_start<'a>(_: &'a mut RentToOwn<'a, Start>) -> Poll<AfterStart, ()> {
        unimplemented!()
    }
}

#[derive(StateMachineFuture)]
pub enum ReadyErrorOverlapping {
    #[state_machine_future(start)]
    #[state_machine_future(transitions(ReadyError))]
    Init,

    #[state_machine_future(ready)]
    #[state_machine_future(error)]
    ReadyError(()),
}

impl PollReadyErrorOverlapping for ReadyErrorOverlapping {
    fn poll_init<'a>(_: &'a mut RentToOwn<'a, Init>) -> Poll<AfterInit, ()> {
        unimplemented!()
    }
}