daru

https://github.com/sciruby/daru

Ruby

Data Analysis in RUby

Daru::IRuby::Helpers.nils_counted

It is complicated, but the only algo I could think of.
It does [:a, nil, nil, :b, nil, :c] # =>
        [[:a,3], nil, nil, [:b,2], nil, :c]
Needed by tuples_with_colspans/rowspans, which we need for pretty HTML

Source | Google | Stack overflow

Edit

git clone [email protected]:sciruby/daru.git

cd daru

open lib/daru/iruby/helpers.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Daru--IRuby--Helpers-nils_counted-for-pr

# Commit to git

git add lib/daru/iruby/helpers.rbgit commit -m "better docs for Daru::IRuby::Helpers.nils_counted"

# Open pull request

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

hub fork

git push <your name> -your-name--update-docs-Daru--IRuby--Helpers-nils_counted-for-pr

hub pull-request

# Celebrate!