Bug or feature request?

Documentation / feature proposal

Description:

Hi, I just implemented my first state machine on my React/TypeScript project with xstate ! I followed the documentation but I faced some issues. I would like to present some technical solutions and code snippets that I wrote to overcome those issues:

• createMachineContext instead of createContext to overcome TypeScr

I see in the documentatios there is this callbacks, but i didn't understand the purpose and how to use. Can u guys post some examples? Thanks!

old_state       before_exit
old_state       exit

I found a magic source + at
https://github.com/viewflow/django-fsm/blob/957e1d8535f1e8f31cd6f971f4ec6704eb1f2d9a/django_fsm/__init__.py#L166-L179
It seems undocumented, unless I missed it. It would be cool to have a sentence or two about it somewhere.

Thanks!

Documentation says there is a listener @OnTransitionDecline, however I can't find anything on how to trigger transition decline.

To give some context use case I'm working on right now: running computation in another service. There are four states: SUBMITTED - submits item to another system - IN PROGRESS - checks the status of item in another system. If still in progress state is not chang

If you think this will be the same for all apps you could just extract it into a separate .gradle file and apply to demo apps.

Something like:

./buildscript/configure-sample-app.gradle

apply plugin: 'com.android.application'

android {
  defaultConfig {
    testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
  }

  testOptions {
    animationsDisabled = true

hi, could you please provide an example of using parallel node ,all of your doc only provide the squence, fallback control node example. thx(^o^)／

Would you consider putting Boost.SML into vcpkg? I know it's only a header, and trivial to install, but vcpkg is just so nice. At the very least, it would cause some people to find out about Boost.SML for the first time.

An example: https://github.com/microsoft/vcpkg/blob/master/docs/examples/packaging-github-repos.md

Maybe take one from redux-sagas, would help people choose between the two.

I do like the concept of a more "lightweight" alternative.

https://twitter.com/maksim_ka2/status/913404270732615680

<?php
    public function can(string $nodeLabel, string $action): bool
    {
        $stateNode = null;
        foreach ($this->process->getNodes() as $node) {
            if ($node->getLabel() === $nodeLabel) {
                $stateNode = $node;
            }
        }

        if (false == $stateNode) {
            t

Would be nice to improve the docs, make it clearer, simpler and easy to understand.