def pre.kind
import bend-kit-multipart@0.3.0.0/multipart.bend as Multipartimport Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes
424def pre.kind(r: Bytes.Bytes & U32, +i: U32, +dlen: U32, out: List<&1, Item>) -> Step:
425 (buf, +k) = r
426 pre.if(U32.is_eq(k, 0), U32.is_eq(k, 1), buf, i, dlen, out)