concurrent-ruby

https://github.com/ruby-concurrency/concurrent-ruby

Ruby

Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.

Concurrent::Map#fetch_or_store

No Docs, write some!

Source | Google | Stack overflow

Edit

git clone [email protected]:ruby-concurrency/concurrent-ruby.git

cd concurrent-ruby

open lib/concurrent-ruby/concurrent/map.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Concurrent--Map-fetch_or_store-for-pr

# Commit to git

git add lib/concurrent-ruby/concurrent/map.rbgit commit -m "better docs for Concurrent::Map#fetch_or_store"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Concurrent--Map-fetch_or_store-for-pr

hub pull-request

# Celebrate!