Where is an example of a monad?

This question already has an answer here:

  • What is a monad? 41 answers

  • I wrote this post as an example of using the monad abstraction purely as a practical way to avoid code duplication.

    (Many things are Monad s; what makes Monad useful is writing a function once (in terms of Monad ) and then being able to reuse that same function with Future , Option , Either , Writer , State and so on).

    链接地址: http://www.djcxy.com/p/47682.html

    上一篇: 列表生成函数的懒惰评估?

    下一篇: 单子的例子在哪里?