std::extents::rank(3)

💖 std::extents::rank 💖

okay so welcome to the std::extents::rank(3) page from the C++ Standard Libary manual — yes that's the manual name, and we're not fixing it, bestie, we're just vibing 💅✨

🌸 NAME 🌸

std::extents::rank - std::extents::rank

✨ Synopsis ✨

static constexpr rank_type rank() const noexcept;  (since C++23)

it returns the number of dimensions in extents. that's the whole assignment, and it ate. no cap. 🫶

🎀 Parameters 🎀

• (none) — literally no parameters, bestie; this function takes zero things. 🙈

👑 Return value 👑

the number of dimensions. periodt. 💅

🦋 Example 🦋

// Run this code

#include <iostream>
#include <mdspan>

int main()
{
    std::extents<int, 1, 2> e1;
    std::extents<int, 3, 4, std::dynamic_extent> e2(5);
    std::cout << e1.rank() << ", " << e2.rank() << '\n';
}

💀 Output 💀

2, 3

🌈 See also 🌈

• rank_dynamic — returns the dynamic rank of an extents
  • [static] (public static member function)
• rank — obtains the number of dimensions of an array type
  • (C++11) (class template)

💖 source/version check, bestie: http://cppreference.com, 2024.06.10, page std::extents::rank(3) — now go slay those dimensions. periodt. ✨💅