def sv.closed.head
import bend-kit-http@0.38.2.0/http.bend as Httpimport Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes
5852def sv.closed.head(buf: Bytes.Bytes) -> Turn:
5853 Bytes.Bytes{+len, b} = buf
5854 sv.closed.pick(U32.is_eq(len, 0))