Refactor code

src/parser/mod.rs

@@ -150,10 +150,10 @@ impl NumberParser {
         }
     }
 
-    async fn remove_some_data(&self, unparsed: &String) -> String {
+    async fn remove_some_data(&self, unparsed: &str) -> String {
         let mut parsed: String = String::new();
 
-        for (_, ch) in unparsed.chars().enumerate() {
+        for ch in unparsed.chars() {
             if ch == ' ' {
                 continue;
             } else {