Functors, Applicative Functors 與 Monoids 溫習 Functors Applicative functors 關鍵字”newtype” Using newtype to make type class instances On newtype laziness type vs newtype vs data ...
Zippers 資料結構 來走二元樹吧! 凡走過必留下痕跡 Going back up Manipulating trees under focus I’m going straight to top, oh yeah, up where the air is fresh and clean! 來看串列 陽春的檔案系統 A zipper for ...
來看看幾種 Monad 動手做做看: Maybe Monad Monad type class 走鋼索 do 表示法 List Monad A knight’s quest Monad laws (單子律) Left identity Right identity Associativity 來看看幾種 Monad 當我們第一次談...