From aa597ae00f88d3fd78851f397d6577ebf8425751 Mon Sep 17 00:00:00 2001
From: Kefu Chai <kchai@redhat.com>
Date: Fri, 24 Mar 2017 11:45:15 +0800
Subject: [PATCH] include/denc: define value_type to avoid repeating the type

Signed-off-by: Kefu Chai <kchai@redhat.com>
---
 src/include/denc.h | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/include/denc.h b/src/include/denc.h
index d9350c530c7e8..350178085b89d 100644
--- a/src/include/denc.h
+++ b/src/include/denc.h
@@ -524,21 +524,24 @@ inline typename std::enable_if<traits::supported &&
 //
 template<typename A>
 struct denc_traits<std::basic_string<char,std::char_traits<char>,A>> {
+private:
+  using value_type = std::basic_string<char,std::char_traits<char>,A>;
+
+public:
   static constexpr bool supported = true;
   static constexpr bool featured = false;
   static constexpr bool bounded = false;
-  static void bound_encode(const std::basic_string<char,
-			   std::char_traits<char>,A>& s, size_t& p,
-			   uint64_t f=0) {
+
+  static void bound_encode(const value_type& s, size_t& p, uint64_t f=0) {
     p += sizeof(uint32_t) + s.size();
   }
-  static void encode(const std::basic_string<char,std::char_traits<char>,A>& s,
+  static void encode(const value_type& s,
 		     buffer::list::contiguous_appender& p,
 	      uint64_t f=0) {
     ::denc((uint32_t)s.size(), p);
     memcpy(p.get_pos_add(s.size()), s.data(), s.size());
   }
-  static void decode(std::basic_string<char,std::char_traits<char>,A>& s,
+  static void decode(value_type& s,
 		     buffer::ptr::iterator& p,
 		     uint64_t f=0) {
     uint32_t len;
-- 
2.39.5