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Examples of design patterns implemented in Ruby

The appearance of iterators in an object-oriented language appears to be inversely related to the power of the language's intrinsic control structures. Iterator classes are used for the sole purpose of enumerating the elements of an abstract collection class without revealing its implementation. We find that the availability of higher-order functions and function closures eliminates the need for these ad hoc iterator classes, in addition to providing the other benefits of "mostly functional programming".

The purpose of ootips is to allow developers to keep up-to-date with object oriented technologies, without having to read through high volume, low signal-to-noise sources.

What design patterns are applicable to Python? Some patterns are an intrinsic part of Python, other patterns require some careful coding to get the best from them. What new patterns appear in Python?

Peter Norvig's slide on Design Patterns and Dynamic Programming from 1996.

Houston Design Patterns

Example Design Patterns in Ruby

Refactoring to Patterns is the marriage of refactoring -- the process of improving the design of existing code -- with patterns, the classic solutions to recurring design problems. Refactoring to Patterns suggests that using patterns to improve an existing design is better than using patterns early in a new design. This is true whether code is years old or minutes old. We improve designs with patt

Design patterns are recurring solutions to software design problems you find again and again in real-world application development. Patterns are about design and interaction of objects, as well as providing a communication platform concerning elegant, reusable solutions to commonly encountered programming challenges.

Gang of Four Design Patterns