Functor Applicative and Monad Laws in JavaScript Implementation
在本项目中，我们展示了如何在JavaScript中实现Functor、Applicative和Monad律。运行以下命令来测试实现：
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克隆项目：
git clone https://github.com/mpereira/functor-applicative-and-monad-laws.git -
进入目录：
cd functor-applicative-and-monad-laws -
安装依赖：
npm install -
运行：
node index.js
输出结果将验证以下几个律：
Functor Law #1 (Identity): fmap id = id
Functor Law #2 (Composition): fmap (f . g) = fmap f . fmap g
Applicative Functor Law #1 (Identity): pure id <*> x = x
Applicative Functor Law #2 (Homomorphism): pure f <*> pure x = pure (f x)
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