[Boost-commit] svn:boost r64570 - sandbox/variadic_templates/boost/mpl

Subject: [Boost-commit] svn:boost r64570 - sandbox/variadic_templates/boost/mpl
From: cppljevans_at_[hidden]
Date: 2010-08-03 11:12:11

Author: cppljevans
Date: 2010-08-03 11:12:11 EDT (Tue, 03 Aug 2010)
New Revision: 64570
URL: http://svn.boost.org/trac/boost/changeset/64570

Log:
initial revision
Added:
   sandbox/variadic_templates/boost/mpl/transform_pack.hpp   (contents, props changed)

Added: sandbox/variadic_templates/boost/mpl/transform_pack.hpp
==============================================================================
--- (empty file)
+++ sandbox/variadic_templates/boost/mpl/transform_pack.hpp	2010-08-03 11:12:11 EDT (Tue, 03 Aug 2010)
@@ -0,0 +1,81 @@
+
+#ifndef BOOST_MPL_TRANSFORM_PACK_HPP_INCLUDED
+#define BOOST_MPL_TRANSFORM_PACK_HPP_INCLUDED
+
+#include <boost/mpl/back_inserter_pack.hpp>
+#include <boost/mpl/package.hpp>
+
+namespace boost { namespace mpl {
+
+  template
+  < typename Sequence
+  , typename OpUnary
+  , typename Inserter=back_inserter_pack<package<> >
+  >
+struct transform1_pack
+;  
+  template
+  < template<typename...>class Sequence
+  , typename... SeqElements
+  , typename OpUnary
+  , typename Inserter
+  >
+struct transform1_pack
+  < Sequence<SeqElements...>
+  , OpUnary
+  , Inserter
+  >
+{
+        typedef
+      package
+      < typename apply<OpUnary,SeqElements>::type...
+      >
+    op_elements
+    ;
+        typedef
+      typename Inserter::template apply
+      < op_elements
+      >::type
+    type
+    ;
+};  
+  template
+  < typename Sequence1
+  , typename Sequence2
+  , typename OpBinary
+  , typename Inserter=back_inserter_pack<package<> >
+  >
+struct transform2_pack
+;
+  template
+  < template<typename...>class Sequence1
+  , typename... SeqElements1
+  , template<typename...>class Sequence2
+  , typename... SeqElements2
+  , typename OpBinary
+  , typename Inserter
+  >
+struct transform2_pack
+  < Sequence1<SeqElements1...>
+  , Sequence2<SeqElements2...>
+  , OpBinary
+  , Inserter
+  >
+{
+        typedef
+      package
+      < typename apply<OpBinary,SeqElements1,SeqElements2>::type...
+      >
+    op_elements
+    ;
+        typedef
+      typename Inserter::template apply
+      < op_elements
+      >::type
+    type
+    ;
+};  
+
+}}
+
+#endif // BOOST_MPL_TRANSFORM_PACK_HPP_INCLUDED