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A comment on Ask HN: What is your philosophy when creating abstractions?.

Re:Ask HN: What is your philosophy when creating abstractions? by bjourne on Saturday August 04, 2018 @11:32AM (#17687214)
Count the number of clients that will be ("will" not "could!") taking advantage of the abstraction. Is that number not greater than 3? Then the abstraction is useless and shouldn't be written.
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