pub exec fn ptr_ref_at<V, const N: usize>(
ptr: *mut [V; N],
verus_tmp_perm: Tracked<&PointsToArray<V, N>>,
index: usize,
) -> res : &VExpand description
requires
perm.ptr() == ptr,perm.is_init(index as int),ensuresres == perm.opt_value()[index as int].value(),Get the immutable reference of the value at the index