🚨 Fixing warnings

Author: Wafelack

src/lib/interpreter/interpreter/stdlib/collections.rs

@@ -321,7 +321,7 @@ impl Interpreter {
                 if let Value::Object(map) = &args[0] {
                     for (key, value) in map{
                         self.scopes.push(BTreeMap::new());
-                        let mut scp = self.scopes.last_mut().unwrap();
+                        let scp = self.scopes.last_mut().unwrap();
                         scp.insert(func_args[0].to_owned(), (Value::String(key.to_owned()), true));
                         scp.insert(func_args[1].to_owned(), (value.to_owned(), true));
                         self.eval_calls(&body.children)?;

src/lib/interpreter/interpreter/stdlib/sys.rs

@@ -9,9 +9,6 @@ impl Interpreter {
         if args.len() == 1 {
             if let Value::Int(i) = &args[0] {
                 std::process::exit(*i);
-                Ok(
-                    Value::Nil
-                )
             } else {
                 Err(
                     error!("Invalid argument, expected integer, found", (&args[0].get_type()))

src/lib/lexer/lexer.rs

@@ -31,9 +31,6 @@ impl Lexer {
     fn peek(&mut self) -> char {
         self.code.chars().nth(self.current).unwrap_or('\0')
     }
-    fn peek_next(&mut self) -> char {
-        self.code.chars().nth(self.current + 1).unwrap_or('\0')
-    }
     fn scan_token(&mut self) {
         let c = self.advance();