Best way to write repeating stuffs

[vzorglub (Vincent Regaud)]

Design Pattern: DRY, How Not to Repeat Yourself in Rules DSL

Please see Design Pattern: What is a Design Pattern and How Do I Use Them for details on what a DP is and how to use it. Problem Statement Do Not Repeat Yourself (DRY) Often an inexperienced programmer will find that a naive and straight forward approach to writing Rules DSL Rules results in a lot of duplicated code. Often experienced programmers find that the usual tools to avoid duplicated code like data structures and classes are not available in Rules DSL and they end up fighting the lang…