fix(lexer): Update DELITIMER_CHARS

src/lexer/lexer.rs

@@ -16,7 +16,7 @@ pub struct Lexer {
 
 const WHITESPACE_CHARS: &[char] = &[' ', '\t', '\n', '\r'];
 const DELIMITER_CHARS: &[char] = &[
-    '+', '-', '*', '/', '%', '=', '!', '<', '>', '(', ')', '[', ']', ',', ';', '{', '|', '&'
+    '+', '-', '*', '/', '%', '=', '!', '<', '>', '(', ')', '[', ']', ',', ';', '{', '}', '|', '&'
 ];
 struct Cursor {
     chars: Vec<char>,
@@ -273,6 +273,8 @@ fn parse_puncuation(
             str_iter.advance(1);
             if let Some('+') = str_iter.peek() {
                 TokenValue::PlusPlus
+            } else if let Some('=') = str_iter.peek() {
+                TokenValue::PlusEqual
             } else {                
                 str_iter.back(1);
                 TokenValue::Plus
@@ -282,14 +284,40 @@ fn parse_puncuation(
             str_iter.advance(1);
             if let Some('-') = str_iter.peek() {
                 TokenValue::MinusMinus
+            } else if let Some('=') = str_iter.peek() {
+                TokenValue::MinusEqual
             } else {                
                 str_iter.back(1);
                 TokenValue::Minus
             }
         },
-        '*' => TokenValue::Star,
+        '*' => {
-        '/' => TokenValue::Slash,
+            str_iter.advance(1);
-        '%' => TokenValue::Percent,
+            if let Some('=') = str_iter.peek() {
+                TokenValue::StarEqual
+            } else {
+                str_iter.back(1);
+                TokenValue::Star
+            }
+        },
+        '/' => {
+            str_iter.advance(1);
+            if let Some('=') = str_iter.peek() {
+                TokenValue::SlashEqual
+            } else {
+                str_iter.back(1);
+                TokenValue::Slash
+            }
+        },
+        '%' => {
+            str_iter.advance(1);
+            if let Some('=') = str_iter.peek() {
+                TokenValue::PercentEqual
+            } else {
+                str_iter.back(1);
+                TokenValue::Percent
+            }
+        },
 
         '=' => get_value_by_next_char(str_iter, TokenValue::Equal, TokenValue::DoubleEqual),
         '!' => {