sonic-pi

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

C++

Code. Music. Live.

Minitest::Benchmark#sigma

Enumerates over +enum+ mapping +block+ if given, returning the
sum of the result. Eg:

  sigma([1, 2, 3])                # => 1 + 2 + 3 => 7
  sigma([1, 2, 3]) { |n| n ** 2 } # => 1 + 4 + 9 => 14

Source | Google | Stack overflow

Edit

git clone [email protected]:sonic-pi-net/sonic-pi.git

cd sonic-pi

open app/server/ruby/vendor/minitest-5.18.1/lib/minitest/benchmark.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Minitest--Benchmark-sigma-for-pr

# Commit to git

git add app/server/ruby/vendor/minitest-5.18.1/lib/minitest/benchmark.rbgit commit -m "better docs for Minitest::Benchmark#sigma"

# Open pull request

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

hub fork

git push <your name> -your-name--update-docs-Minitest--Benchmark-sigma-for-pr

hub pull-request

# Celebrate!