PickVidsLenses, Folds, and Traversals
推荐理由
I found this talk by edward kmett incredibly helpful[0].
强烈推荐mijoharas · 原文
说明
这是2012年由Edward Kmett发布的一部演讲，主题归在Functional programming。它讲的是haskell lenses这一支里的具体问题，而不是把整个领域扫一遍。适合想看推导、证明或实现细节的人。内容上可以概括成：Edward Kmett's talk to the NY Haskell User Group on the lens library, building from fmap and function composition up to lenses, folds and traversals. It shows how these composable combinators access and modify parts of data structures.这些读者给出的理由，核心是：HN calls it dense but mind-blowing, the go-to way to understand lenses through algebraic derivation.讲法不绑某一条新闻，过几年仍然可以当材料看。从2013年到2014年，有3位不同的读者在3个不同月份把它推荐出来，其中明确叫别人去看的有1次。适合一次性看完。讲者把一个判断讲透，演示是在给这个判断配例子。如果已经会了基本定义，就把注意力放在它怎么把haskell lenses变成能跟着复述的例子。
视频信息
- 频道
- Edward Kmett
- 时长
- 1 小时 54 分
- 发布年份
- 2012
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