forked from boostorg/tuple
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| 69298214b4 |
@ -4,7 +4,7 @@
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<body bgcolor="#FFFFFF" text="#000000">
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<IMG SRC="../../../boost.png"
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<IMG SRC="../../../c++boost.gif"
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ALT="C++ Boost" width="277" height="86">
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<h1>Tuple Library : design decisions rationale</h1>
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@ -4,7 +4,7 @@
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<title>Tuple library advanced features</title>
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<body bgcolor="#FFFFFF" text="#000000">
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<IMG SRC="../../../boost.png"
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<IMG SRC="../../../c++boost.gif"
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ALT="C++ Boost" width="277" height="86">
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</head>
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@ -4,7 +4,7 @@
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</head>
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<body bgcolor="#FFFFFF" text="#000000">
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<IMG SRC="../../../boost.png"
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<IMG SRC="../../../c++boost.gif"
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ALT="C++ Boost" width="277" height="86">
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<h1>The Boost Tuple Library</h1>
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@ -2,9 +2,14 @@
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// Copyright (C) 1999, 2000 Jaakko J<>rvi (jaakko.jarvi@cs.utu.fi)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Permission to copy, use, sell and distribute this software is granted
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// provided this copyright notice appears in all copies.
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// Permission to modify the code and to distribute modified code is granted
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// provided this copyright notice appears in all copies, and a notice
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// that the code was modified is included with the copyright notice.
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//
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// This software is provided "as is" without express or implied warranty,
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// and with no claim as to its suitability for any purpose.
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// For more information, see http://www.boost.org
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@ -13,7 +18,7 @@
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// Fixed return types for get_head/get_tail
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// ( and other bugs ) per suggestion of Jens Maurer
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// simplified element type accessors + bug fix (Jeremy Siek)
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// Several changes/additions according to suggestions by Douglas Gregor,
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// Several changes/additions according to suggestions by Doug Gregor,
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// William Kempf, Vesa Karvonen, John Max Skaller, Ed Brey, Beman Dawes,
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// David Abrahams.
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@ -38,8 +43,6 @@
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#include "boost/type_traits/cv_traits.hpp"
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#include "boost/type_traits/function_traits.hpp"
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#include "boost/detail/workaround.hpp" // needed for BOOST_WORKAROUND
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namespace boost {
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namespace tuples {
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@ -94,22 +97,12 @@ struct get_class {
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template<class RET, class HT, class TT >
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inline static RET get(const cons<HT, TT>& t)
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{
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#if BOOST_WORKAROUND(__IBMCPP__,==600)
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// vacpp 6.0 is not very consistent regarding the member template keyword
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// Here it generates an error when the template keyword is used.
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return get_class<N-1>::get<RET>(t.tail);
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#else
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return get_class<N-1>::BOOST_NESTED_TEMPLATE get<RET>(t.tail);
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#endif
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}
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template<class RET, class HT, class TT >
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inline static RET get(cons<HT, TT>& t)
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{
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#if BOOST_WORKAROUND(__IBMCPP__,==600)
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return get_class<N-1>::get<RET>(t.tail);
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#else
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return get_class<N-1>::BOOST_NESTED_TEMPLATE get<RET>(t.tail);
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#endif
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}
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};
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@ -135,8 +128,6 @@ struct get_class<0> {
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// Nth element ot T, first element is at index 0
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// -------------------------------------------------------
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#ifndef BOOST_NO_CV_SPECIALIZATIONS
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template<int N, class T>
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struct element
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{
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@ -158,69 +149,14 @@ private:
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typedef typename T::tail_type Next;
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typedef typename element<N-1, Next>::type unqualified_type;
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public:
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#if BOOST_WORKAROUND(__BORLANDC__,<0x600)
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typedef const unqualified_type type;
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#else
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typedef typename boost::add_const<unqualified_type>::type type;
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#endif
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};
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template<class T>
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struct element<0,const T>
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{
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#if BOOST_WORKAROUND(__BORLANDC__,<0x600)
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typedef const typename T::head_type type;
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#else
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typedef typename boost::add_const<typename T::head_type>::type type;
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#endif
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};
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#else // def BOOST_NO_CV_SPECIALIZATIONS
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namespace detail {
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template<int N, class T, bool IsConst>
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struct element_impl
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{
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private:
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typedef typename T::tail_type Next;
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public:
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typedef typename element_impl<N-1, Next, IsConst>::type type;
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};
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template<int N, class T>
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struct element_impl<N, T, true /* IsConst */>
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{
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private:
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typedef typename T::tail_type Next;
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public:
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typedef const typename element_impl<N-1, Next, true>::type type;
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};
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template<class T>
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struct element_impl<0, T, false /* IsConst */>
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{
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typedef typename T::head_type type;
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};
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template<class T>
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struct element_impl<0, T, true /* IsConst */>
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{
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typedef const typename T::head_type type;
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};
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} // end of namespace detail
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template<int N, class T>
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struct element:
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public detail::element_impl<N, T, ::boost::is_const<T>::value>
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{
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};
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#endif
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// -get function templates -----------------------------------------------
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// Usage: get<N>(aTuple)
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@ -258,17 +194,11 @@ inline typename access_traits<
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typename element<N, cons<HT, TT> >::type
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>::non_const_type
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get(cons<HT, TT>& c BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(int, N)) {
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#if BOOST_WORKAROUND(__IBMCPP__,==600 )
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return detail::get_class<N>::
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#else
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return detail::get_class<N>::BOOST_NESTED_TEMPLATE
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#endif
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get<
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typename access_traits<
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typename element<N, cons<HT, TT> >::type
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>::non_const_type,
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HT,TT
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>(c);
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>::non_const_type>(c);
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}
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// get function for const cons-lists, returns a const reference to
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@ -279,17 +209,11 @@ inline typename access_traits<
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typename element<N, cons<HT, TT> >::type
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>::const_type
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get(const cons<HT, TT>& c BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(int, N)) {
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#if BOOST_WORKAROUND(__IBMCPP__,==600)
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return detail::get_class<N>::
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#else
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return detail::get_class<N>::BOOST_NESTED_TEMPLATE
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#endif
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get<
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typename access_traits<
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typename element<N, cons<HT, TT> >::type
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>::const_type,
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HT,TT
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>(c);
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>::const_type>(c);
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}
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// -- the cons template --------------------------------------------------
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@ -1,12 +1,17 @@
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// - tuple_basic_no_partial_spec.hpp -----------------------------------------
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// Copyright (C) 1999, 2000 Jaakko J<>rvi (jaakko.jarvi@cs.utu.fi)
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// Copyright (C) 2001 Douglas Gregor (gregod@rpi.edu)
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// Copyright (C) 2001 Doug Gregor (gregod@rpi.edu)
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// Copyright (C) 2001 Gary Powell (gary.powell@sierra.com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Permission to copy, use, sell and distribute this software is granted
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// provided this copyright notice appears in all copies.
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// Permission to modify the code and to distribute modified code is granted
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// provided this copyright notice appears in all copies, and a notice
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// that the code was modified is included with the copyright notice.
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//
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// This software is provided "as is" without express or implied warranty,
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// and with no claim as to its suitability for any purpose.
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// For more information, see http://www.boost.org or http://lambda.cs.utu.fi
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@ -2,9 +2,14 @@
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// Copyright (C) 1999, 2000 Jaakko J<>rvi (jaakko.jarvi@cs.utu.fi)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Permission to copy, use, sell and distribute this software is granted
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// provided this copyright notice appears in all copies.
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// Permission to modify the code and to distribute modified code is granted
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// provided this copyright notice appears in all copies, and a notice
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// that the code was modified is included with the copyright notice.
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//
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// This software is provided "as is" without express or implied warranty,
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// and with no claim as to its suitability for any purpose.
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// For more information, see http://www.boost.org
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@ -3,9 +3,14 @@
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// Copyright (C) 2001 Jaakko J<>rvi (jaakko.jarvi@cs.utu.fi)
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// Copyright (C) 2001 Gary Powell (gary.powell@sierra.com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Permission to copy, use, sell and distribute this software is granted
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// provided this copyright notice appears in all copies.
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// Permission to modify the code and to distribute modified code is granted
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// provided this copyright notice appears in all copies, and a notice
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// that the code was modified is included with the copyright notice.
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//
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// This software is provided "as is" without express or implied warranty,
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// and with no claim as to its suitability for any purpose.
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//
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// For more information, see http://www.boost.org
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//
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@ -3,9 +3,14 @@
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// Copyright (C) 2001 Jaakko J<>rvi (jaakko.jarvi@cs.utu.fi)
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// 2001 Gary Powell (gary.powell@sierra.com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Permission to copy, use, sell and distribute this software is granted
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// provided this copyright notice appears in all copies.
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// Permission to modify the code and to distribute modified code is granted
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// provided this copyright notice appears in all copies, and a notice
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// that the code was modified is included with the copyright notice.
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//
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// This software is provided "as is" without express or implied warranty,
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// and with no claim as to its suitability for any purpose.
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// For more information, see http://www.boost.org
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// ----------------------------------------------------------------------------
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@ -1,8 +1,13 @@
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// Copyright (C) 1999, 2000 Jaakko J<>rvi (jaakko.jarvi@cs.utu.fi)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Permission to copy, use, sell and distribute this software is granted
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// provided this copyright notice appears in all copies.
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// Permission to modify the code and to distribute modified code is granted
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// provided this copyright notice appears in all copies, and a notice
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// that the code was modified is included with the copyright notice.
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//
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// This software is provided "as is" without express or implied warranty,
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// and with no claim as to its suitability for any purpose.
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// For more information, see http://www.boost.org
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@ -1,8 +1,13 @@
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// Copyright (C) 1999, 2000 Jaakko J<>rvi (jaakko.jarvi@cs.utu.fi)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Permission to copy, use, sell and distribute this software is granted
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// provided this copyright notice appears in all copies.
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// Permission to modify the code and to distribute modified code is granted
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// provided this copyright notice appears in all copies, and a notice
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// that the code was modified is included with the copyright notice.
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//
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// This software is provided "as is" without express or implied warranty,
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// and with no claim as to its suitability for any purpose.
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// For more information, see http://www.boost.org
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@ -1,8 +1,13 @@
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// Copyright (C) 1999, 2000 Jaakko J<>rvi (jaakko.jarvi@cs.utu.fi)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Permission to copy, use, sell and distribute this software is granted
|
||||
// provided this copyright notice appears in all copies.
|
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// Permission to modify the code and to distribute modified code is granted
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// provided this copyright notice appears in all copies, and a notice
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// that the code was modified is included with the copyright notice.
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//
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// This software is provided "as is" without express or implied warranty,
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// and with no claim as to its suitability for any purpose.
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// For more information, see http://www.boost.org
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