chef

https://github.com/opscode/chef

Ruby

A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.

Chef::Property#coerce

Coerce an input value into canonical form for the property.

After coercion, the value is suitable for storage in the resource.
You must validate values after coercion, however.

Does no special handling for lazy values.

Source | Google | Stack overflow

Edit

git clone [email protected]:opscode/chef.git
cd chef
open lib/chef/property.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--Property-coerce-for-pr

# Commit to git

git add lib/chef/property.rbgit commit -m "better docs for Chef::Property#coerce"

# Open pull request

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

hub fork

git push <your name> -your-name--update-docs-Chef--Property-coerce-for-pr

hub pull-request

# Celebrate!