Body.Writertype t = writerval write_string : t -> string -> (unit, Awskit.Error.t) Stdlib.result ioWrite one string chunk to a streaming request body.
val write_bytes : t -> bytes -> (unit, Awskit.Error.t) Stdlib.result ioWrite one bytes chunk to a streaming request body.
val write_subbytes :
t ->
bytes ->
off:int ->
len:int ->
(unit, Awskit.Error.t) Stdlib.result ioWrite the slice bytes.{off .. off + len - 1} to a streaming request body.