Clean

Author: ryuichiueda

src/core/builtins.rs

@@ -79,10 +79,13 @@ pub fn unset(core: &mut ShellCore, args: &[String]) -> i32 {
 
     for name in &args[1..] {
         if let Err(e) = core.db.unset(name) {
-            error_exit(1, &args[0], &e, core); //exitしない
+            error_exit(1, &args[0], &e, core); //exit（return）しない
             err_flag = true;
         }
     }
 
-    if err_flag { 1 } else { 0 }
+    if err_flag {
+        return 1;
+    }
+    0
 }