Feature Envy

When a function in one class or module makes extensive use of functions and/or data from another class or module, so much so that it probably belongs there. Usually in an object-oriented design you want functions to live on the same class as the data they work with. Put together things that change together.

Sources

• This smell is included Martin Fowler's book "Refactoring", 2nd Edition
• This smell is included among wikipedia's code smells

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