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

submitted 3 days ago by cm0002@lemmy.world to c/programmer_humor@programming.dev

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[-] pelya@lemmy.world 33 points 3 days ago

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

[-] borokov@lemmy.world 2 points 1 day 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.

[-] TimeSquirrel@kbin.melroy.org 8 points 3 days ago

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

this post was submitted on 15 May 2025

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