The Wrong Abstraction — Sandi Metz

duplication is far cheaper than the wrong abstraction

If you find yourself in this situation, resist being driven by sunk costs. When dealing with the wrong abstraction, the fastest way forward is back . Do the following:

1. Re-introduce duplication by inlining the abstracted code back into every caller.


2. Within each caller, use the parameters being passed to determine the subset of the inlined code that th

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