type src
type dst
val blito : (src, dst) consuming_blito
val blit : (src, dst) consuming_blit
val unsafe_blit : (src, dst) consuming_blit
val subo : ?len:int ‑> src ‑> dst
subo defaults to using Iobuf.length src
subo
Iobuf.length src
val sub : src ‑> len:int ‑> dst