cm0002@lemmy.world to Programmer Humor@programming.dev · 24 days agoTell me the truth ...piefed.jeena.netimagemessage-square159fedilinkarrow-up11.02Karrow-down117
arrow-up11Karrow-down1imageTell me the truth ...piefed.jeena.netcm0002@lemmy.world to Programmer Humor@programming.dev · 24 days agomessage-square159fedilink
minus-squarepelya@lemmy.worldlinkfedilinkarrow-up30arrow-down1·24 days agostd::vector<bool> fits eight booleans into one byte.
minus-squareTimeSquirrel@kbin.melroy.orglinkfedilinkarrow-up7·24 days agostd::vector<std::vector<bool>> is how I stored the representation of a play field for a Tetris game I made once.
minus-squareborokov@lemmy.worldlinkfedilinkarrow-up1·22 days agoauto 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.
std::vector<bool>fits eight booleans into one byte.std::vector<std::vector<bool>> is how I stored the representation of a play field for a Tetris game I made once.
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.