childprocess

https://github.com/enkessler/childprocess

Ruby

Cross-platform Ruby library for managing child processes.

Matrix#map

Returns a matrix that is the result of iteration of the given block over all
elements of the matrix.
  Matrix[ [1,2], [3,4] ].collect { |e| e**2 }
    => 1  4
       9 16

Source | Google | Stack overflow

Edit

git clone [email protected]:enkessler/childprocess.git
cd childprocess
open

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Matrix-map-for-pr

# Commit to git

git add git commit -m "better docs for Matrix#map"

# Open pull request

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

hub fork

git push <your name> -your-name--update-docs-Matrix-map-for-pr

hub pull-request

# Celebrate!