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General Assignment and Mutator Helper Functions

General Assignment and Mutator Helper Functions

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In the constant quest for software quality, consistent interfaces and modular code are very important. In light of this, there is a need to turn attention on get and set. If you examine the current implementations of get or set, the logic in almost every case statement is different. These differences are currently necessary because the interface for each public variable is unique. It is preferable to keep the group-of-eight functions as uniform as possible and that means trying to move interface differences out of get and set. A helper-function technique is developed that pushes most of the differences out of get and set and into the helper. This technique will improve code modularity and improvements in modularity directly relate to improvements in code quality. As always, the driving force is code quality. As the public interface grows in complexity, it would be bad if the complexity of get and set grew faster than the interface.

Chapter Contents:

  • 16.1 Helper Function Strategy
  • 16.1.1 Direct-Link Public Variables
  • 16.1.1.1 get and subsref
  • 16.1.1.2 set and subsasgn
  • 16.1.2 get and set Helper Functions
  • 16.1.2.1 Helper functions, get, and set
  • 16.1.2.2 Final template for get.m
  • 16.1.2.3 Final Template for set.m
  • 16.1.2.4 Color Helper Function
  • 16.1.2.5 The Other Classes and Member Functions
  • 16.2 Test Drive
  • 16.3 Summary
  • 16.4 Independent Investigations

Inspec keywords: object-oriented methods; software quality

Other keywords: software quality; group-of-eight function; get function; set function; code quality; mutator helper function; helper-function technique; code modularity

Subjects: Software engineering techniques; Object-oriented programming

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