state_machine

https://github.com/pluginaweek/state_machine

Ruby

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

StateMachine::State#call

Calls a method defined in this state's context on the given object.  All
arguments and any block will be passed into the method defined.

If the method has never been defined for this state, then a NoMethodError
will be raised.

Source | Google | Stack overflow

Edit

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

cd state_machine

open lib/state_machine/state.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-StateMachine--State-call-for-pr

# Commit to git

git add lib/state_machine/state.rbgit commit -m "better docs for StateMachine::State#call"

# 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--State-call-for-pr

hub pull-request

# Celebrate!