def fetch.piece.cap
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
2568def fetch.piece.cap(over: Bool, +head: Bool, rv: Rv, +n2: U32, +len: U32, buf: Array<U32>) -> Fl:
2569 match over:
2570 case True{}:
2571 FlBad{None{}, False{}}
2572 case False{}:
2573 fetch.rt(n2, rv.step(U32.is_zero(len), head, rv, Bytes.Bytes{len, buf}))