state_machine

https://github.com/pluginaweek/state_machine

Ruby

Adds support for creating state machines for attributes on any Ruby class

StateMachine::Path#to_states

Lists all of the to states that can be reached through this path.

For example,

  path.to_states  # => [:parked, :idling, :first_gear, ...]

Source | Google | Stack overflow

Edit

git clone [email protected]:pluginaweek/state_machine.git
cd state_machine
open lib/state_machine/path.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-StateMachine--Path-to_states-for-pr

# Commit to git
git add lib/state_machine/path.rbgit commit -m "better docs for StateMachine::Path#to_states"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-StateMachine--Path-to_states-for-pr
hub pull-request

# Celebrate!