Template:cpp/string/sv hack
From cppreference.com
Implicitly converts t to a string view sv as if by std::basic_string_view<CharT, Traits> sv = t;, then {{{1}}}.
This overload participates in overload resolution only if std::is_convertible_v<const StringViewLike&,
std::basic_string_view<CharT, Traits>> is true and std::is_convertible_v<const StringViewLike&, const CharT*> is false.
std::basic_string_view<CharT, Traits>> is true and std::is_convertible_v<const StringViewLike&, const CharT*> is false.
