From add7ff74ca25ca2c9cc591abc484f8e6d38b2c39 Mon Sep 17 00:00:00 2001
From: Ben Longbons <b.r.longbons@gmail.com>
Date: Mon, 11 Aug 2014 22:52:18 -0700
Subject: Optimize string literals in refcounted strings

---
 src/strings/rstring.hpp | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'src/strings/rstring.hpp')

diff --git a/src/strings/rstring.hpp b/src/strings/rstring.hpp
index fd3ee65..ad44beb 100644
--- a/src/strings/rstring.hpp
+++ b/src/strings/rstring.hpp
@@ -39,15 +39,17 @@ namespace strings
             size_t size;
             char body[];
         };
-        static
-        uint8_t empty_string_rep[sizeof(Rep) + 1];
 
-        Rep *owned;
+        union
+        {
+            Rep *owned;
+            const char *begin;
+        } u;
+        const char *maybe_end;
 
-        template<class It>
-        void _assign(It b, It e);
     public:
         RString();
+        RString(LString s);
         RString(const RString&);
         RString(RString&&);
         RString& operator = (const RString&);
@@ -68,7 +70,6 @@ namespace strings
         RString(XString);
         template<uint8_t n>
         RString(const VString<n>& v);
-        RString(LString s);
 
         iterator begin() const;
         iterator end() const;
-- 
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