摘要：
Sometimes, we run into situations where we end up with a Maybe within the context of another Maybe. Nested structures like this can get really confusi 阅读全文
posted @ 2018-05-11 20:36
Zhentiw
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摘要：
In this lesson, we’ll look at the propPath utility function. We’ll ask for a property multiple levels deep in an object and get back a Maybe. We’ll ge 阅读全文
posted @ 2018-05-11 20:18
Zhentiw
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摘要：
In this lesson, we’ll use a Maybe to safely operate on properties of an object that could be undefined. We’ll use our initial code as the basis for a 阅读全文
posted @ 2018-05-11 19:34
Zhentiw
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摘要：
In this lesson, we’ll create a safe function that gives us a flexible way to create Maybes based on a value and a predicate function that we supply. W 阅读全文
posted @ 2018-05-11 19:04
Zhentiw
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摘要：
In this lesson, we’ll get started with the Maybe type. We’ll look at the underlying Just and Nothing types and create a simple utility function to cre 阅读全文
posted @ 2018-05-11 03:15
Zhentiw
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