type 'a t
val create_like : len:int ‑> 'a t ‑> 'a t
Make1* guarantees to only call create_like ~len t with len > 0 if length t > 0.
Make1*
create_like ~len t
len > 0
length t > 0
val length : _ t ‑> int
val unsafe_blit : ('a t, 'a t) Blit_intf.blit