Function cpp_std::stoul_string_usize_int

pub unsafe fn stoul_string_usize_int(
    str: impl CastInto<Ref<String>>, 
    idx: impl CastInto<MutPtr<usize>>, 
    base: c_int
) -> c_ulong

Calls C++ function: unsigned long std::stoul(const std::basic_string<char, std::char_traits<char>, std::allocator<char>>& __str, std::size_t* __idx = …, int __base = …).