devise

https://github.com/plataformatec/devise

Ruby

Flexible authentication solution for Rails with Warden.

Devise::Controllers::SignInOut#signed_in?

Return true if the given scope is signed in session. If no scope given, return
true if any scope is signed in. Does not run authentication hooks.

Source | Google | Stack overflow

Edit

git clone [email protected]:plataformatec/devise.git
cd devise
open lib/devise/controllers/sign_in_out.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Devise--Controllers--SignInOut-signed_in--for-pr

# Commit to git
git add lib/devise/controllers/sign_in_out.rbgit commit -m "better docs for Devise::Controllers::SignInOut#signed_in?"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-Devise--Controllers--SignInOut-signed_in--for-pr
hub pull-request

# Celebrate!