this post was submitted on 09 Feb 2024
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rand()will be infrequent< 10(at least ten in 2^15 times, if not exponentially more), so automated tests are likely to pass. If they don't, they're likely to pass on the second try, and then everyone shrugs and continues. If it's buried in 500 other lines, then it's likely the code reviewer will give it all a quick scan and say "it's fine". It's the three line diffs that get lots of scrutiny.In other words, you seem to have a lot more faith in the process than I do.
rand will be called every time true is used, which could be hundreds of times for all we know
If it's a 16-bit integer platform, it might hit every once in a while.
If it's a 32-bit integer platform, it'll hit very rarely.
If it's a 64-bit integer platform, someone would have to do the math with some reasonable assumptions, but I wouldn't be surprised if it would never hit before the universe becomes nothing but black holes.