libstdc++: Hide std::tuple internals from Doxygen docs

libstdc++-v3/ChangeLog:

	* include/std/tuple: Do not include implementation details in
	Doxygen documentation.

(cherry picked from commit 5cfee9360c90da8171e9f6bb71568bdc4c296e6e)

diff --git a/libstdc++-v3/include/std/tuple b/libstdc++-v3/include/std/tuple
index 3065058e184dcd63aed5f5251269f94e288b3141..85a380842b6e6397fc38f3a3bcd6a7383bc621ab 100644 (file)
--- a/libstdc++-v3/include/std/tuple
+++ b/libstdc++-v3/include/std/tuple
@@ -65,6 +65,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   template<typename... _Elements>
     class tuple;
 
+  /// @cond undocumented
   template<typename _Tp>
     struct __is_empty_non_tuple : is_empty<_Tp> { };
 
@@ -828,6 +829,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
        static constexpr bool __is_explicitly_constructible()
        { return false; }
     };
+  /// @endcond
 
   /// Primary class template, tuple
   template<typename... _Elements>