use unwrap_else

Author: cht

src/utils.rs

@@ -6,7 +6,6 @@ use std::{
     io::{prelude::*, Result},
     path::Path,
 };
-#[allow(dead_code)]
 pub enum Save {
     Storage,
     Running,
@@ -47,9 +46,7 @@ pub fn start_v2core() -> String {
         Ok(output) => output,
         Err(_) => {
             let core = "{\n\"v2core\":\"/usr/bin/v2ray\"\n}".to_string();
-            if let Err(err) = create_json_file(Save::V2ray, core.clone()) {
-                panic!("{}", err);
-            }
+            create_json_file(Save::V2ray, core.clone()).unwrap_or_else(|err| panic!("{}", err));
             core
         }
     };