Http2.client.headers.fields.select: def of bend-kit-http2@0.4.0.0
Import: import bend-kit-http2@0.4.0.0/http2.bend as Http2
Lines 959-981 of bend-kit-http2@0.4.0.0/http2.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-http2@0.4.0.0/http2.bend&start_line=959&end_line=981

import Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes
import bend-kit-http2@0.4.0.0/hpack.bend as Hpack

def client.headers.fields.select(interim: Bool, fields: List<&2, Hpack.Field>, s: Stream,
    tail: List<&1, Stream>, input: Bytes.Bytes, encoder: Hpack.State,
    decoder: Hpack.State, control: Control) -> Reply:
  match interim:
    case True{}:
      Stream{+id, send_window, recv_window, local_end, +remote_end, head,
        headers, partial, body, outgoing} = s
      client.headers.interim.valid(Bool.not(remote_end), id, fields,
        Stream{id, send_window, recv_window, local_end, remote_end, head,
          headers, partial, body, outgoing}, tail, input, encoder, decoder, control)
    case False{}:
      Stream{id, send_window, recv_window, local_end, remote_end, head,
        headers, partial, body, outgoing} = s
      match remote_end:
        case True{}:
          client.complete(Stream{id, send_window, recv_window, local_end, True{}, True{},
            List.append(&2, Hpack.Field, headers, fields), partial, body, outgoing},
            tail, input, encoder, decoder, control)
        case False{}:
          client.ok(Client{input,
            Con{Stream{id, send_window, recv_window, local_end, False{}, True{},
              List.append(&2, Hpack.Field, headers, fields), partial, body, outgoing}, tail},
            encoder, decoder, control})

Uses (14):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.append
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=bend-kit-http2@0.4.0.0/hpack.bend&name=Field
  https://jend.leeeet.dev/definition.txt?path=bend-kit-http2@0.4.0.0/hpack.bend&name=State
  https://jend.leeeet.dev/definition.txt?path=bend-kit-http2@0.4.0.0/http2.bend&name=Client
  https://jend.leeeet.dev/definition.txt?path=bend-kit-http2@0.4.0.0/http2.bend&name=Control
  https://jend.leeeet.dev/definition.txt?path=bend-kit-http2@0.4.0.0/http2.bend&name=Reply
  https://jend.leeeet.dev/definition.txt?path=bend-kit-http2@0.4.0.0/http2.bend&name=Stream
  https://jend.leeeet.dev/definition.txt?path=bend-kit-http2@0.4.0.0/http2.bend&name=client.complete
  https://jend.leeeet.dev/definition.txt?path=bend-kit-http2@0.4.0.0/http2.bend&name=client.headers.interim.valid
  https://jend.leeeet.dev/definition.txt?path=bend-kit-http2@0.4.0.0/http2.bend&name=client.ok