Thinking in Function Programming
Functor
TODO: explain it
No Side Effect
TODO: explain it
Currying
TODO: explain it
Lazy Evaluation
TODO: explain it
Closure
TODO: explain it
Implements
In Python
Python并不是函数式编程语言, 只是支持一些函数式编程的特性
In Java
Java在8之前不支持函数式编程。Java8新增Stream API支持以一种声明的方式处理数据;
例如:
// java11
var list = List.of("a", "b", "c", "1");
var listUpper = list.parallelStream()
.filter(s -> !s.isEmpty())
.map(s -> s.toUpperCase())
.collect(Collectors.toList());
var sortedList = list.stream()
.sorted()
.collect(Collectors.joining(","));