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type_traits (typelist): To __reflection_typelist.

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2012-03-01  Michael Spertus  <mike_spertus@symantec.com>

	* include/tr2/type_traits (typelist): To __reflection_typelist.
	(first, rest, empty): Remove.

From-SVN: r184773
This commit is contained in:
Michael Spertus 2012-03-02 05:54:24 +00:00 • committed by Benjamin Kosnik
parent cbef15a5ba
commit bd7a440b01
2 changed files with 15 additions and 22 deletions
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5
libstdc++-v3/ChangeLog
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@ -1,3 +1,8 @@
2012-03-01 Michael Spertus <mike_spertus@symantec.com>
* include/tr2/type_traits (typelist): To __reflection_typelist.
(first, rest, empty): Remove.
2012-03-01 Benjamin Kosnik <bkoz@redhat.com> 2012-03-01 Benjamin Kosnik <bkoz@redhat.com>
* testsuite/Makefile.am (CLEANFILES): Add *.gdb. * testsuite/Makefile.am (CLEANFILES): Add *.gdb.

32
libstdc++-v3/include/tr2/type_traits
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@ -1,6 +1,6 @@
// TR2 <type_traits> -*- C++ -*- // TR2 <type_traits> -*- C++ -*-
// Copyright (C) 2011 Free Software Foundation, Inc. // Copyright (C) 2011, 2012 Free Software Foundation, Inc.
// //
// This file is part of the GNU ISO C++ Library. This library is free // This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the // software; you can redistribute it and/or modify it under the
@ -53,60 +53,48 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
* Simple typelist. Compile-time list of types. * Simple typelist. Compile-time list of types.
*/ */
template<typename... _Elements> template<typename... _Elements>
struct typelist; struct __reflection_typelist;
/// Specialization for an empty typelist. /// Specialization for an empty typelist.
template<> template<>
struct typelist<> struct __reflection_typelist<>
{ {
typedef std::true_type empty; typedef std::true_type empty;
}; };
/// Partial specialization. /// Partial specialization.
template<typename _First, typename... _Rest> template<typename _First, typename... _Rest>
struct typelist<_First, _Rest...> struct __reflection_typelist<_First, _Rest...>
{ {
typedef std::false_type empty; typedef std::false_type empty;
struct first struct first
{ {
typedef _First type; typedef _First type;
}; };
struct rest struct rest
{ {
typedef typelist<_Rest...> type; typedef __reflection_typelist<_Rest...> type;
}; };
}; };
/// Sequence abstraction metafunctions for manipulating a typelist. /// Sequence abstraction metafunctions for manipulating a typelist.
/// Return the first type in a typelist.
template<typename _Tp>
struct first : public _Tp::first { };
/// Return the typelist minus the first type.
template<typename _Tp>
struct rest : public _Tp::rest { };
/// Query to see if a typelist is empty.
template<typename _Tp>
struct empty : public _Tp::empty { };
/// Enumerate all the base classes of a class. Form of a typelist. /// Enumerate all the base classes of a class. Form of a typelist.
template<typename _Tp> template<typename _Tp>
struct bases struct bases
{ {
typedef typelist<__bases(_Tp)...> type; typedef __reflection_typelist<__bases(_Tp)...> type;
}; };
/// Enumerate all the direct base classes of a class. Form of a typelist. /// Enumerate all the direct base classes of a class. Form of a typelist.
template<typename _Tp> template<typename _Tp>
struct direct_bases struct direct_bases
{ {
typedef typelist<__direct_bases(_Tp)...> type; typedef __reflection_typelist<__direct_bases(_Tp)...> type;
}; };
/// @} group metaprogramming /// @} group metaprogramming