Updated to remove field

With this, try_reduce_tuple were changed from self.lpop() to self.skip()

compiler/erg_parser/ast.rs

@@ -493,8 +493,6 @@ impl_locational_for_enum!(Array; Normal, WithLength, Comprehension);
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct NormalTuple {
-    pub l_paren: Token,
-    pub r_paren: Token,
     pub elems: Args,
 }
 
@@ -505,13 +503,11 @@ impl NestedDisplay for NormalTuple {
 }
 
 impl_display_from_nested!(NormalTuple);
-impl_locational!(NormalTuple, l_paren, r_paren);
+impl_locational!(NormalTuple, elems, elems);
 
 impl NormalTuple {
-    pub fn new(l_paren: Token, r_paren: Token, elems: Args) -> Self {
+    pub fn new(elems: Args) -> Self {
         Self {
-            l_paren,
-            r_paren,
             elems,
         }
     }

compiler/erg_parser/parse.rs

@@ -1854,17 +1854,13 @@ impl Parser {
     #[inline]
     fn try_reduce_tuple(&mut self) -> ParseResult<Tuple> {
         debug_call_info!(self);
-        let l_paren = self.lpop();
+        self.skip();
         let inner = self.try_reduce_elems().map_err(|_| self.stack_dec())?;
-        let r_paren = self.lpop();
+        self.skip();
-        if !r_paren.is(RParen) {
-            self.level -= 1;
-            self.errs
-                .push(ParseError::simple_syntax_error(0, r_paren.loc()));
-            return Err(());
-        }
         let tpl = match inner {
-            ArrayInner::Normal(elems) => Tuple::Normal(NormalTuple::new(l_paren, r_paren, elems)),
+            ArrayInner::Normal(elems) => {
+                Tuple::Normal(NormalTuple::new(elems))
+                },
             ArrayInner::Comprehension {
                 elem: _,
                 generators: _,