style: code style

src/lib.rs

@@ -1,14 +1,13 @@
-use serde_json::Value;
-
 use std::{
     fs,
     env,
     path::PathBuf,
     time::SystemTime,
-    io::{Error, ErrorKind,},
+    io::{ Error, ErrorKind },
 };
+use serde_json::Value;
 use sha2::Sha256;
-use hmac::{Hmac, Mac,};
+use hmac::{ Hmac, Mac };
 
 mod msg;
 use msg::*;

src/msg.rs

@@ -1,12 +1,11 @@
-use serde::{Serialize, Deserialize};
+use serde::{ Serialize, Deserialize };
-
 
 /// Send Dingtalk or WeChatWork message
 #[derive(Clone, Copy, Debug)]
 pub enum DingTalkType {
-
+    /// DingTalk
     DingTalk,
-
+    /// WeChatWork
     WeChatWork,
 }