20 General utilities library [utilities]
template<class Allocator2>
friend bool operator==(const basic_stacktrace& x, const basic_stacktrace<Allocator2>& y) noexcept;
Returns:
equal(x.begin(), x.end(), y.begin(), y.end()). template<class Allocator2>
friend strong_ordering
operator<=>(const basic_stacktrace& x, const basic_stacktrace<Allocator2>& y) noexcept;
Returns:
x.size() <=> y.size() if
x.size() != y.size();
lexicographical_compare_three_way(x.begin(), x.end(), y.begin(), y.end())
otherwise
.