Function cpp_std::stoll_w_string_usize

pub unsafe fn stoll_w_string_usize(
    str: impl CastInto<Ref<WString>>, 
    idx: impl CastInto<MutPtr<usize>>
) -> c_longlong

Calls C++ function: long long std::stoll(const std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t>>& __str, std::size_t* __idx = …).