Ruby is an excellent programming language for creating and managing custom DSLs,
but how can you securely evaluate a DSL while explicitly controlling the methods
exposed to the user? Our good friends instance_eval and instance_exec are great,
but they expose all methods - public, protected, and private - to the user. Even
worse, they expose the ability to accidentally or intentionally alter the
behavior of the system! The cleanroom pattern is a safer, more convenient,
Ruby-like approach for limiting the information exposed by a DSL while giving
users the ability to write awesome code!

The cleanroom pattern is a unique way for more safely evaluating Ruby DSLs
without adding additional overhead.

• Pavel Skrylev
• Andrey Cherepanov

• gem-cleanroom
• gem-cleanroom-devel
• gem-cleanroom-doc