Merge branch 'fix/lexer'

src/frontend/lexer.rs

@@ -327,6 +327,9 @@ fn parse_ident(
         }
     }
     let name = name.into_iter().collect::<String>();
+    if name.eq("return") {
+        return Ok(TokenValue::Return);
+    }
     if let Some(type_ident) = TypeIdent::from_str(&name).ok() {
         return Ok(TokenValue::TypeIdent(type_ident));
     }