From 304029a8d3656c0caf550357c142290d9651edd8 Mon Sep 17 00:00:00 2001
From: yhirose <yuji.hirose.bug@gmail.com>
Date: Sat, 6 Oct 2018 17:11:51 -0400
Subject: [PATCH] fix #53

---
 peglib.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/peglib.h b/peglib.h
index 463cd3b..8050ec2 100644
--- a/peglib.h
+++ b/peglib.h
@@ -3118,6 +3118,10 @@ public:
         return (*grammar_)[s];
     }
 
+    const Definition& operator[](const char* s) const {
+        return (*grammar_)[s];
+    }
+
     std::vector<std::string> get_rule_names(){
         std::vector<std::string> rules;
         rules.reserve(grammar_->size());