[libsigc++2/variadic_bind2: 31/68] signal1/2/3: Move T_accumulator to second position.

[Murray Cumming <murrayc src gnome org>]

commit 6dd282b70406cc81d82cc4c6f523a9228326996b
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Jan 14 12:31:52 2016 +0100

    signal1/2/3: Move T_accumulator to second position.
    
    Because it can't go at the end if we want to change the args to
    a variadic template pack.

 sigc++/macros/signal.h.m4 |   16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/sigc++/macros/signal.h.m4 b/sigc++/macros/signal.h.m4
index 41ebe31..1c86287 100644
--- a/sigc++/macros/signal.h.m4
+++ b/sigc++/macros/signal.h.m4
@@ -49,7 +49,7 @@ FOR(1,$1,[
  *
  * @ingroup signal
  */
-template <LIST(class T_return, LOOP(class T_arg%1, $1), class T_accumulator=nil)>
+template <LIST(class T_return, class T_accumulator, LOOP(class T_arg%1, $1))>
 class signal$1
   : public signal_base
 {
@@ -214,7 +214,7 @@ ifelse($1, $2,[dnl
  */
 template <LIST(class T_return, LOOP(class T_arg%1, $1))>])
 class signal ifelse($1, $2,,[<LIST(T_return, LOOP(T_arg%1,$1), LOOP(nil, CALL_SIZE - $1))>])
-  : public signal$1<LIST(T_return, LOOP(T_arg%1, $1),nil)>
+  : public signal$1<LIST(T_return, nil, LOOP(T_arg%1, $1))>
 {
 public:
 ifelse($1, $2,[dnl
@@ -272,31 +272,31 @@ ifelse($1, $2,[dnl
    */
   template <class T_accumulator>
   class accumulated
-    : public signal$1<LIST(T_return, LOOP(T_arg%1, $1), T_accumulator)>
+    : public signal$1<LIST(T_return, T_accumulator, LOOP(T_arg%1, $1))>
   {
   public:
     accumulated() {}
     accumulated(const accumulated& src)
-      : signal$1<LIST(T_return, LOOP(T_arg%1, $1), T_accumulator)>(src) {}
+      : signal$1<LIST(T_return, T_accumulator, LOOP(T_arg%1, $1))>(src) {}
   };
 
   signal() {}
 
   signal(const signal& src)
-    : signal$1<LIST(T_return, LOOP(T_arg%1, $1),nil)>(src) {}
+    : signal$1<LIST(T_return, nil, LOOP(T_arg%1, $1))>(src) {}
 
   signal(signal&& src)
-    : signal$1<LIST(T_return, LOOP(T_arg%1, $1),nil)>(std::move(src)) {}
+    : signal$1<LIST(T_return, nil, LOOP(T_arg%1, $1))>(std::move(src)) {}
 
   signal& operator=(const signal& src)
   {
-    signal$1<LIST(T_return, LOOP(T_arg%1, $1),nil)>::operator=(src);
+    signal$1<LIST(T_return, nil, LOOP(T_arg%1, $1))>::operator=(src);
     return *this;
   }
 
   signal& operator=(signal&& src)
   {
-    signal$1<LIST(T_return, LOOP(T_arg%1, $1),nil)>::operator=(std::move(src));
+    signal$1<LIST(T_return, nil, LOOP(T_arg%1, $1))>::operator=(std::move(src));
     return *this;
   }
 };