From 88580da587523998e15caa27c5a988b00f22fa9f Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Tue, 15 Jan 2013 21:46:03 +0900
Subject: [PATCH] Remove Append and StringAppend

---
 src/a2functional.h        | 17 -----------------
 test/FeatureConfigTest.cc |  6 +-----
 2 files changed, 1 insertion(+), 22 deletions(-)

diff --git a/src/a2functional.h b/src/a2functional.h
index 0f31b02c..c73bd567 100644
--- a/src/a2functional.h
+++ b/src/a2functional.h
@@ -177,23 +177,6 @@ public:
   }
 };
 
-template<typename T>
-class Append {
-private:
-  T& to_;
-  T delim_;
-public:
-  template<typename S>
-  Append(T& to, const S& delim):to_(to), delim_(delim) {}
-
-  template<typename S>
-  void operator()(const S& s) {
-    to_ += s+delim_;
-  }
-};
-
-typedef Append<std::string> StringAppend;
-
 template<typename T>
 class auto_delete {
 private:
diff --git a/test/FeatureConfigTest.cc b/test/FeatureConfigTest.cc
index f9660bda..7ee2a26b 100644
--- a/test/FeatureConfigTest.cc
+++ b/test/FeatureConfigTest.cc
@@ -79,11 +79,7 @@ void FeatureConfigTest::testFeatureSummary() {
 
   };
 
-  std::string featuresString;
-  std::for_each(vbegin(features), vend(features),
-                StringAppend(featuresString, ", "));
-  featuresString = util::strip(featuresString, ", ");
-
+  std::string featuresString = strjoin(vbegin(features), vend(features), ", ");
   CPPUNIT_ASSERT_EQUAL(featuresString, featureSummary());
 }