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principles:don_t_repeat_yourself [2021-02-01 21:06] – old revision restored (2020-12-10 03:58) 95.216.157.202principles:don_t_repeat_yourself [2021-10-18 21:27] (current) – +++ restored +++ christian
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   * [[contexts:Object-Oriented Design]]   * [[contexts:Object-Oriented Design]]
 +  * [[contexts:Implementation]]
 ===== Principle Statement ===== ===== Principle Statement =====
  
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   * Add a new invokable module (a function, a method, a class, etc.) instead of duplicating code   * Add a new invokable module (a function, a method, a class, etc.) instead of duplicating code
 +  * Factor out a common base class
   * Use code generation when information has to be represented in multiple forms   * Use code generation when information has to be represented in multiple forms
   * Use polymorphism to avoid repeatedly enumerating a set of possible solutions in if or switch statements   * Use polymorphism to avoid repeatedly enumerating a set of possible solutions in if or switch statements
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 ===== Origin ===== ===== Origin =====
  
-Andrew Hunt and David Thomas//[[http://pragprog.com/book/tpp/the-pragmatic-programmer|The Pragmatic Programmer: From Journeyman to Master]]// +{{page>resources:The Pragmatic Programmer#reference}}
- +
 ===== Evidence ===== ===== Evidence =====
 /* Comment out what is not applicable and explain the rest: */ /* Comment out what is not applicable and explain the rest: */
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 ===== Description Status ===== ===== Description Status =====
 /* Choose one of the following and comment out the rest: */ /* Choose one of the following and comment out the rest: */
-[[wiki:Stub]] +/*[[wiki:Stub]]*
-/*[[wiki:Incomplete]]*/+[[wiki:Incomplete]]
 /*[[wiki:Complete]]*/ /*[[wiki:Complete]]*/
  
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   * [[wp>Don't repeat yourself]]   * [[wp>Don't repeat yourself]]
   * [[http://programmer.97things.oreilly.com/wiki/index.php/Don't_Repeat_Yourself|97things: Don't_Repeat_Yourself]]   * [[http://programmer.97things.oreilly.com/wiki/index.php/Don't_Repeat_Yourself|97things: Don't_Repeat_Yourself]]
 +
 +===== Discussion =====
 +
 +Discuss this wiki article and the principle on the corresponding [[talk:principles:Don't Repeat Yourself|talk page]].
  
principles/don_t_repeat_yourself.1612209989.txt.gz · Last modified: 2021-02-01 21:06 by 95.216.157.202