Int64_u.Arraytype ('a : bits64) t = 'a Base.arrayval sexp_of_t :
'a. (('a : bits64) -> Sexplib0.Sexp.t) ->
('a : bits64) t ->
Sexplib0.Sexp.tThe contents of the created array are unspecified.
val create_uninitialized : len:Base.int -> Base.int64 t