mail

https://github.com/mikel/mail

Ruby

A Really Ruby Mail Library

Mail::Header#each

Enumerable support; yield each field in order to the block if there is one,
or return an Enumerator for them if there isn't.

Source | Google | Stack overflow

Edit

git clone [email protected]:mikel/mail.git
cd mail
open lib/mail/header.rb

Contribute

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

# Commit to git
git add lib/mail/header.rbgit commit -m "better docs for Mail::Header#each"

# 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--Header-each-for-pr
hub pull-request

# Celebrate!