cpp-course/modules/05_pointers_and_references/src/pointer_basics.cpp

#include "pointer_basics.hpp"

namespace pointers {

auto get_value(const int* ptr) -> int {
    return *ptr;
}

void set_value(int* ptr, int value) {
    *ptr = value;
}

auto is_null(const int* ptr) -> bool {
    return ptr == nullptr;
}

void swap_via_pointers(int* a, int* b) {
    const auto aux = *a;
    *a = *b;
    *b = aux;
}

}  // namespace pointers