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forked from boostorg/core

Remove BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

Process #ifndef...#else...#endif blocks.

[SVN r86245]
This commit is contained in:
Stephen Kelly
2013-10-11 23:17:48 +00:00
committed by Peter Dimov
parent e03dc68219
commit 3401b1e37b

View File

@@ -258,7 +258,6 @@ struct stlport_40_debug_iterator_traits
template <class T> struct pointer_iterator_traits;
# ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
template <class T>
struct pointer_iterator_traits<T*>
{
@@ -268,50 +267,6 @@ struct pointer_iterator_traits<T*>
typedef std::random_access_iterator_tag iterator_category;
typedef std::ptrdiff_t difference_type;
};
# else
// In case of no template partial specialization, and if T is a
// pointer, iterator_traits<T>::value_type can still be computed. For
// some basic types, remove_pointer is manually defined in
// type_traits/broken_compiler_spec.hpp. For others, do it yourself.
template<class P> class please_invoke_BOOST_TT_BROKEN_COMPILER_SPEC_on_cv_unqualified_pointee;
template<class P>
struct pointer_value_type
: mpl::if_<
is_same<P, typename remove_pointer<P>::type>
, please_invoke_BOOST_TT_BROKEN_COMPILER_SPEC_on_cv_unqualified_pointee<P>
, typename remove_const<
typename remove_pointer<P>::type
>::type
>
{
};
template<class P>
struct pointer_reference
: mpl::if_<
is_same<P, typename remove_pointer<P>::type>
, please_invoke_BOOST_TT_BROKEN_COMPILER_SPEC_on_cv_unqualified_pointee<P>
, typename remove_pointer<P>::type&
>
{
};
template <class T>
struct pointer_iterator_traits
{
typedef T pointer;
typedef std::random_access_iterator_tag iterator_category;
typedef std::ptrdiff_t difference_type;
typedef typename pointer_value_type<T>::type value_type;
typedef typename pointer_reference<T>::type reference;
};
# endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
// We'll sort iterator types into one of these classifications, from which we
// can determine the difference_type, pointer, reference, and value_type