state_machine

https://github.com/pluginaweek/state_machine

Ruby

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

StateMachine::PathCollection#to_states

Lists all of the states that can be transitioned to through the paths in
this collection.

For example,

  paths.to_states # => [:idling, :first_gear, :second_gear, ...]

Source | Google | Stack overflow

Edit

git clone [email protected]:pluginaweek/state_machine.git

cd state_machine

open lib/state_machine/path_collection.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-StateMachine--PathCollection-to_states-for-pr

# Commit to git

git add lib/state_machine/path_collection.rbgit commit -m "better docs for StateMachine::PathCollection#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--PathCollection-to_states-for-pr

hub pull-request

# Celebrate!