pub unsafe extern "C" fn CSTL_u32string_const_begin(
instance: CSTL_UTF32StringCRef,
) -> *const char32_tExpand description
Returns an iterator (pointer) past the last character of the string.
If CSTL_u32string_empty(instance) == true then
CSTL_u32string_begin(instance) == CSTL_u32string_end(instance).