> You have to build the feature twice Why though? Can't you have it dynamically ... | Hacker News

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		porridgeraisin 5 months ago \| parent \| context \| favorite \| on: Things we've learned about building products > You have to build the feature twice Why though? Can't you have it dynamically look up whether the experiment is active for the current request and if so behave a certain way? And the place it looks up from can be updated however?

stetrain 5 months ago [–]

But you have to implement and test both sides of that "if" statement, both behaviors. Thus "build the feature twice"

simonw 5 months ago | [–]

Right: you have to take responsibility for implementing (and testing and short-term maintaining) two branches.

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