今天是学习rust的第五天,学习材料为官网的《The Rust Programming Language》,本笔记的内容为第12章,I/O project
Chapter 12 I/O project: Building a Command Line Program
Separation of Concerns for Binary Projects
将代码程序分为main.rs和lib.rs,将程序的逻辑logic移动到lib.rs
当parsing逻辑足够小时可以放在main.rs下
mai