Facebook open sources Infer: Bug tracking on a massive scale

Facebook likes to talk about building for scale and moving fast. It did that even before it had more than a billion users around the globe. Now it’s dealing with such huge numbers, it has no choice – every change has to be made quickly and rolled out to around a billion smartphone apps. Clearly, making sure all the code is clean and error-free is of utmost importance, because if it rolls out an update that breaks its app there will be a lot of unhappy people. To help ensure that the most common code errors are caught, it developed a program…

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