sonic-pi

https://github.com/sonic-pi-net/sonic-pi

C++

Code. Music. Live.

Atomic#update

Pass the current value to the given block, replacing it
with the block's result. May retry if the value changes
during the block's execution.

Source | Google | Stack overflow

Edit

git clone [email protected]:sonic-pi-net/sonic-pi.git
cd sonic-pi
open app/server/ruby/vendor/atomic/lib/atomic/direct_update.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Atomic-update-for-pr

# Commit to git
git add app/server/ruby/vendor/atomic/lib/atomic/direct_update.rbgit commit -m "better docs for Atomic#update"

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

# Celebrate!