9 lines
324 B
Markdown
9 lines
324 B
Markdown
---
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title: Functor
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tags: Functor
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---
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A Functor is a data type common in functional programming that implements a `map` method.
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The `map` method takes a function and applies it to the data in the Functor, returning a new instance of the Functor with the result.
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JavaScript `Array`s are an example of the Functor data type.
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