Envelope.encode.of: def of bendonnect-rpc@0.1.0.0
Import: import bendonnect-rpc@0.1.0.0/src/envelope.bend as Envelope
Lines 22-27 of bendonnect-rpc@0.1.0.0/src/envelope.bend: https://jend.leeeet.dev/read.txt?path=bendonnect-rpc@0.1.0.0/src/envelope.bend&start_line=22&end_line=27

import Base
import bend-kit-bytes@0.3.2.0/bytes.bend as Bytes

# 5-byte header followed by the message.
def encode.of(+flags: U32, r: Bytes.Bytes & U32) -> Bytes.Bytes:
  (data, len) = r
  h1 = Bytes.set(Bytes.new(5), 0, (flags .&. 255 : U32))
  h2 = Bytes.set.u32be(h1, 1, len)
  Bytes.append(h2, data)

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.and
  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-bytes@0.3.3.0/bytes.bend&name=append
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=new
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=set
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=set.u32be