lib/print2d.hpp

The following code example is taken from the book
C++23 - The Complete Guide by Nicolai M. Josuttis, Leanpub, 2026
The code is licensed under a Creative Commons Attribution 4.0 International License.

---

// raw code

#include <print>

void print2D(const auto& mds)
{
  std::print("mdspan of {} rows:\n  ", mds.extent(0));
  for (std::size_t i=0; i != mds.extent(0); i++) {
    for (std::size_t j=0; j != mds.extent(1); j++) {
      std::print("{} ", mds[i, j]);
    }
    std::print("\n  ");
  }
  std::print("\n");
}