Symbol::Expression is a nice addition to the useful Symbol#to_proc semantics.
Where you can already do:
[1,2,3].map(&:to_s) => ["1","2","3"]
With Symbol::Expression you can now also do things like:
[1,2,3].map(&:+) => [2,3,4]
Note on Patches/Pull Requests
Fork the project.
Make your feature addition or bug fix.
Add tests for it. This is important so I don't break it in a future version unintentionally.
Commit, do not mess with rakefile, version, or history. (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)
Send me a pull request. Bonus points for topic branches.
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