44 #define _MEMORYFWD_H 1
46 #pragma GCC system_header
50 namespace std _GLIBCXX_VISIBILITY(default)
52 _GLIBCXX_BEGIN_NAMESPACE_VERSION
66 #if __cplusplus <= 201703L
68 class allocator<void>;
71 #if __cplusplus >= 201103L
73 template<
typename,
typename>
74 struct uses_allocator;
79 _GLIBCXX_END_NAMESPACE_VERSION
ISO C++ entities toplevel namespace is std.