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Allow WritableIteratorConcept to be used with one parameter for

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iterators with a sensible value_type


[SVN r20904]
This commit is contained in:
Dave Abrahams
2003-11-21 23:39:10 +00:00
parent dea89aa823
commit 6ca935d9fe
1 changed files with 10 additions and 4 deletions
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14
include/boost/iterator/iterator_concepts.hpp
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@ -15,16 +15,19 @@
#include <boost/concept_check.hpp> #include <boost/concept_check.hpp>
#include <boost/iterator/iterator_categories.hpp> #include <boost/iterator/iterator_categories.hpp>
// Use boost::detail::iterator_traits to work around some MSVC/Dinkumware problems.
#include <boost/detail/iterator.hpp>
#include <boost/type_traits/is_same.hpp> #include <boost/type_traits/is_same.hpp>
#include <boost/type_traits/is_integral.hpp> #include <boost/type_traits/is_integral.hpp>
#include <boost/mpl/bool.hpp> #include <boost/mpl/bool.hpp>
#include <boost/mpl/if.hpp> #include <boost/mpl/if.hpp>
#include <boost/mpl/and.hpp> #include <boost/mpl/and.hpp>
#include <boost/mpl/or.hpp> #include <boost/mpl/or.hpp>
#include <boost/static_assert.hpp>
// Use boost::detail::iterator_traits to work around some MSVC/Dinkumware problems. #include <boost/static_assert.hpp>
#include <boost/detail/iterator.hpp>
// Use boost/limits to work around missing limits headers on some compilers // Use boost/limits to work around missing limits headers on some compilers
#include <boost/limits.hpp> #include <boost/limits.hpp>
@ -71,7 +74,10 @@ namespace boost_concepts {
Iterator i; Iterator i;
}; };
template <typename Iterator, typename ValueType> template <
typename Iterator
, typename ValueType = typename boost::detail::iterator_traits<Iterator>::value_type
>
class WritableIteratorConcept { class WritableIteratorConcept {
public: public: