Monoids are cool. It took me a long time to actually discover monoids during coding. It finally clicked when I realized the QuadBitboard I wrote for a chess m

Monoids are cool. It took me a long time to actually discover monoids during coding. It finally clicked when I realized the QuadBitboard I wrote for a chess move generator is actually a monoid. Empty board is the neutral element, and xor of all 4 bitboards is the operation. https://github.com/mlang/chessIO/blob/master/src/Game/Chess/Internal/QuadBitboard.hs https://github.com/mlang/chessIO/blob/master/src/Game/Chess/...