Haskell 趣學指南

Updated 2 years ago

nobodyzxc (@nobodyzxc) started discussion #32

a year ago · 0 comments


之前的章節我們實作了一個 RPN 計算機,但我們沒有做錯誤的處理。他只有在輸入是合法的時候才會運算正確。假如有東西出錯了,整個程式便會當掉。我們在這章看到了要怎樣把程式碼轉換成 monadic 的版本,我們先嘗適用 Maybe monad 來幫我們的 RPN 計算機加上些錯誤處理。

For a Few Monad More (Edit this file)

typo "嘗適" to "嘗試"

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