factory_girl

https://github.com/thoughtbot/factory_girl

Ruby

A library for setting up Ruby objects as test data.

Mail::IndifferentHash#[]=

Assigns a new value to the hash:

  hash = HashWithIndifferentAccess.new
  hash[:key] = "value"

Source | Google | Stack overflow

Edit

git clone [email protected]:thoughtbot/factory_girl.git
cd factory_girl
open

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Mail--IndifferentHash-----for-pr

# Commit to git
git add git commit -m "better docs for Mail::IndifferentHash#[]="

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

# Celebrate!