Std::__has_iterator_category_helper _tp -
decltype(__test< _Tp >(0)) typedef type
Traits class for iterators.
This class does nothing but define nested typedefs. The general version simply forwards the nested typedefs from the Iterator argument. Specialized versions for pointers and pointers-to-const provide tighter, more correct semantics.
Definition at line 142 of file stl_iterator_base_types.h.
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