From 4ba3456df4e391091a69d0953a3d8db384096faf Mon Sep 17 00:00:00 2001
From: mingodad <mingodad@gmail.com>
Date: Thu, 22 Jun 2023 16:33:58 +0200
Subject: [PATCH] Reuse result of already called function.

---
 src/lalr/Lexer.ipp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lalr/Lexer.ipp b/src/lalr/Lexer.ipp
index 8b1a951..30233b4 100644
--- a/src/lalr/Lexer.ipp
+++ b/src/lalr/Lexer.ipp
@@ -282,7 +282,7 @@ void Lexer<Iterator, Char, Traits, Allocator>::advance()
     full_ = position_.ended();
     matched_lexeme_.clear();
     matched_symbol_ = nullptr;
-    symbol_ = !position_.ended() ? run() : end_symbol_;
+    symbol_ = !full_ ? run() : end_symbol_;
 }
 
 /**