sonic-pi

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

C++

Code. Music. Live.

Parslet::Source#chars_until

Returns how many chars there are between current position and the 
string given. If the string given doesn't occur in the source, then 
the remaining chars (#chars_left) are returned.

Source | Google | Stack overflow

Edit

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

cd sonic-pi

open app/server/ruby/vendor/parslet/lib/parslet/source.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Parslet--Source-chars_until-for-pr

# Commit to git

git add app/server/ruby/vendor/parslet/lib/parslet/source.rbgit commit -m "better docs for Parslet::Source#chars_until"

# Open pull request

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

hub fork

git push <your name> -your-name--update-docs-Parslet--Source-chars_until-for-pr

hub pull-request

# Celebrate!