Discussion on: Coding practices your future self will love you for

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Arpit Mohan Author

That's the whole point of premature abstraction. In my experience, just because 2 things look the same initially doesn't necessarily mean that they will evolve to be the same. Obviously there are tiny functions such as "add 2 numbers" which will still remain the same and hence can be abstracted early.
As with any rule, apply with care and don't over-stretch it. The answer to most questions in programming (and life) are "It depends" :D