How to restrict template parameter to pointer or random access iterator only?

Question

Is there a way to restrict the parameter type of a template function to only pointers or random-access iterators?

Say I am developing a sorting function which works

Answer 1

Use iterator traits:

static_assert(
    std::is_same::iterator_category>::value,
    "The mySort() function only accepts random access iterators or raw pointers to an array.\n");