cpp-course/modules/05_pointers_and_references/include/pointer_basics.hpp

#pragma once

namespace pointers {

[[nodiscard]] auto get_value(const int* ptr) -> int;
void set_value(int* ptr, int value);
[[nodiscard]] auto is_null(const int* ptr) -> bool;
void swap_via_pointers(int* a, int* b);

}  // namespace pointers