From 7a65ee0c61b04b09f10655f03be2fc082c8d5b2b Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Thu, 9 Apr 2015 04:46:39 +0200
Subject: Introduce rule_t and grammar_t

---
 src/item.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/item.hpp')

diff --git a/src/item.hpp b/src/item.hpp
index ae282a9..59d694e 100644
--- a/src/item.hpp
+++ b/src/item.hpp
@@ -34,8 +34,8 @@
 namespace solar {
 
 struct item_t : public std::tuple<std::string, std::vector<symbol_t>, unsigned> {
-	item_t(const std::string &lhs)
-		: std::tuple<std::string, std::vector<symbol_t>, unsigned>(lhs, std::vector<symbol_t>(), 0) {}
+	item_t(const std::string &lhs, const std::vector<symbol_t> &rhs = std::vector<symbol_t>())
+		: std::tuple<std::string, std::vector<symbol_t>, unsigned>(lhs, rhs, 0) {}
 
 	const std::string & get_lhs() const {
 		return std::get<0>(*this);
-- 
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