Envelope.decode.len: def of bendonnect-rpc@0.1.0.0
Import: import bendonnect-rpc@0.1.0.0/src/envelope.bend as Envelope
Lines 78-84 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=78&end_line=84

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

def decode.len(r: Bytes.Bytes & Maybe<&2, U32>, +flags: U32, +n: U32, +max: U32) -> Step:
  (buf, m) = r
  match m:
    case None{}:
      Bad{"truncated envelope header"}
    case Some{+len}:
      decode.size(U32.is_gt(len, max), buf, flags, len, n, max)

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  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.is_gt
  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=bendonnect-rpc@0.1.0.0/src/envelope.bend&name=Step
  https://jend.leeeet.dev/definition.txt?path=bendonnect-rpc@0.1.0.0/src/envelope.bend&name=decode.size