cm0002@lemmy.world to Programmer Humor@programming.dev · 8 days agoTell me the truth ...piefed.jeena.netimagemessage-square166fedilinkarrow-up11.18Karrow-down117
arrow-up11.16Karrow-down1imageTell me the truth ...piefed.jeena.netcm0002@lemmy.world to Programmer Humor@programming.dev · 8 days agomessage-square166fedilink
minus-squarepelya@lemmy.worldlinkfedilinkarrow-up34arrow-down1·8 days agostd::vector<bool> fits eight booleans into one byte.
minus-squareborokov@lemmy.worldlinkfedilinkarrow-up2·6 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.
minus-squareTimeSquirrel@kbin.melroy.orglinkfedilinkarrow-up8·8 days agostd::vector<std::vector<bool>> is how I stored the representation of a play field for a Tetris game I made once.
std::vector<bool>fits eight booleans into one byte.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.
std::vector<std::vector<bool>> is how I stored the representation of a play field for a Tetris game I made once.