sonic-pi

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

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FalseClass#duplicable?

+false+ is not duplicable:

  false.duplicable? # => false
  false.dup         # => TypeError: can't dup FalseClass

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Edit

git clone [email protected]:sonic-pi-net/sonic-pi.git
cd sonic-pi
open app/server/ruby/vendor/activesupport/lib/active_support/core_ext/object/duplicable.rb

Contribute

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

# Commit to git
git add app/server/ruby/vendor/activesupport/lib/active_support/core_ext/object/duplicable.rbgit commit -m "better docs for FalseClass#duplicable?"

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

# Celebrate!