Programmer Humor

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Tell me the truth ... (piefed.jeena.net)

submitted 1 week ago by [email protected] to c/[email protected]

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[–] [email protected] 33 points 1 week ago (2 children)

std::vector<bool> fits eight booleans into one byte.

[–] [email protected] 2 points 6 days ago

auto v = std::vector<bool>(8);
bool* vPtr = v.data;
vPtr[2] = true;
// KABOOM !!!

I've spent days tracking this bug... That's how I learned about bool specialisation of std::vector.

[–] [email protected] 8 points 1 week ago

std::vector<std::vector> is how I stored the representation of a play field for a Tetris game I made once.