Define configuration values with defaults and lazy evaluation on a per class or per instance level

short forms of common idioms, extensions to remove most blocks, commonly used helpers

A map impelementation with context, access goodies and representation format enhancements (json, yaml, xml,...)

Functional Access to Methods - Memoization - Extending Array, Hash, File, Enumerable with convenience methods, conceptual changes have been moved into lab42_more

A Nested Hash with dotted access à la I18n in Rails

Specify command line arguments with Ruby Syntax

Define triggers and transitios, what else? Well... Filter

Lazy Evaluation, Streams, Enumerator#Lazy

Create sessions with multiple windows from ruby