rubocop

https://github.com/bbatsov/rubocop

Ruby

A Ruby static code analyzer, based on the community Ruby style guide.

RuboCop::Cop::Corrector#remove_trailing

Removes `size` characters from the end of the given range.
If `size` is greater than the size of `range`, the removed region can
overrun the beginning of `range`.

Source | Google | Stack overflow

Edit

git clone [email protected]:bbatsov/rubocop.git

cd rubocop

open lib/rubocop/cop/corrector.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-RuboCop--Cop--Corrector-remove_trailing-for-pr

# Commit to git

git add lib/rubocop/cop/corrector.rbgit commit -m "better docs for RuboCop::Cop::Corrector#remove_trailing"

# Open pull request

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

hub fork

git push <your name> -your-name--update-docs-RuboCop--Cop--Corrector-remove_trailing-for-pr

hub pull-request

# Celebrate!