Get Programming with Haskell-3

Lambda 函数与词法作用域

3、From lambda to let: making your own variable variables!
4、Practical lambda functions and lexical scope
1. 全局变量定义
核心概念总结
常见误区与验证
ghci> add3' z = (\y -> (\x -> y + x) 1 ) 2 -- 将参数名改为 z ghci> add3' 1 -- 结果仍为 3 3 ```
结论
📎 参考文章

# 1、Lambda functions 在函数式编程中，最基础的概念之一便是Lambda函数（lambda function，即匿名函数）**，**这一概念源于Lambda演算（lambda calculus）的理论体系**。**Lambda 函数通常用希腊字母 λ（Lambda）指代，其核心特征在于无需命名即可定义函数：
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