Rust Tips

Cargo

cargo new vs cargo init

• cargo new 是产生一个新目录
• cargo init 是在已有目录下初始化文件，比如 git clone 后

Rust programming

如何判断字符串是标点符号

let term = "...";
if term.chars().all(|c| c.is_ascii_punctuation()) {
    
}

match 强大之处

match (request.method(), request.url()) {
-    (Method::Get, "/" | (Method::Get, "/index.html" | (Method::Get, "/index") => {
+    (Method::Get, "/" | "/index.html" | "/index") => {
        serve_index()?
    }