iterator_category.h

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#pragma once
 
#include "di/container/types/contiguous_iterator_tag.h"
#include "di/function/tag_invoke.h"
#include "di/types/in_place_type.h"
 
namespace di::container {
constexpr inline struct IteratorCategoryFunction {
    template<typename T>
    constexpr auto operator()(types::InPlaceType<T> x) const -> decltype(function::tag_invoke(*this, x));
 
    template<typename T>
    constexpr auto operator()(types::InPlaceType<T*>) const -> types::ContiguousIteratorTag;
} iterator_category;
}