2021-01-08 16:20:41 +01:00
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A subroutine that grows too large tends to aggregate too many responsibilities. Such subroutine inevitably become harder to understand and therefore harder to maintain. Above a specific threshold, it is strongly advised to refactor into smaller subroutines which focus on well-defined tasks. Those smaller subroutines will not only be easier to understand, but also probably easier to test.
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