Re: [PATCH] Add safe iterator iterator_concept

[Jonathan Wakely]

On 25/11/19 22:25 +0100, François Dumont wrote:

I plan to commit this patch tomorrow.

    * include/debug/safe_iterator.h
[__cpp_lib_concepts](_Safe_iterator<>::iterator_concept): Define for
    C++20.

Thanks.

François

diff --git a/libstdc++-v3/include/debug/safe_iterator.h 
b/libstdc++-v3/include/debug/safe_iterator.h
index 685256551d9..abf575186c7 100644
--- a/libstdc++-v3/include/debug/safe_iterator.h
+++ b/libstdc++-v3/include/debug/safe_iterator.h
@@ -141,6 +141,10 @@ namespace __gnu_debug
      typedef typename _Traits::reference               reference;
      typedef typename _Traits::pointer                 pointer;

+#if __cplusplus > 201703L && __cpp_lib_concepts
+      using iterator_concept = std::__detail::__iter_concept<_Iterator>;
+#endif
+
      /// @post the iterator is singular and unattached
      _Safe_iterator() _GLIBCXX_NOEXCEPT : _Iter_base() { }