module Util:sig..end
In 4.02.0, s.[i] <- c becomes deprecated and this is
very frustrating for CamlImages.
We introduce (<<) and replace them by s << i & c.
val (&) : ('a -> 'b) -> 'a -> 'b
val (<<) : bytes -> int -> char -> unitBytes.setval (<<!) : bytes -> int -> char -> unitBytes.unsafe_setval range_check : bytes -> int -> int -> unitrange_check bs from to_ raises Invalid_argument "index out of bounds"
when from and to_ are invalid range for bs.val (>@!) : 'a array -> int -> 'aArray.unsafe.get