acts-as-taggable-on

https://github.com/mbleigh/acts-as-taggable-on

Ruby

A tagging plugin for Rails applications that allows for custom tagging along dynamic contexts.

ActsAsTaggableOn::Tagger::InstanceMethods#tag

Tag a taggable model with tags that are owned by the tagger.

Example:
  @user.tag(@photo, :with => "paris, normandy", :on => :locations)

Source | Google | Stack overflow

Edit

git clone [email protected]:mbleigh/acts-as-taggable-on.git
cd acts-as-taggable-on
open lib/acts-as-taggable-on/tagger.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-ActsAsTaggableOn--Tagger--InstanceMethods-tag-for-pr

# Commit to git
git add lib/acts-as-taggable-on/tagger.rbgit commit -m "better docs for ActsAsTaggableOn::Tagger::InstanceMethods#tag"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-ActsAsTaggableOn--Tagger--InstanceMethods-tag-for-pr
hub pull-request

# Celebrate!