Zlib.sb.nlen: def of bend-kit-zlib@0.5.1.0
Import: import bend-kit-zlib@0.5.1.0/zlib.bend as Zlib
Lines 190-192 of bend-kit-zlib@0.5.1.0/zlib.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-zlib@0.5.1.0/zlib.bend&start_line=190&end_line=192

import Base

def sb.nlen(bv: Br & U32, +len: U32, o: Out, +last: Bool) -> Is:
  (b, +nlen) = bv
  sb.ok(U32.is_eq(U32.xor(len, 65535), nlen), b, len, o, last)

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.xor
  https://jend.leeeet.dev/definition.txt?path=bend-kit-zlib@0.5.1.0/zlib.bend&name=Br
  https://jend.leeeet.dev/definition.txt?path=bend-kit-zlib@0.5.1.0/zlib.bend&name=Is
  https://jend.leeeet.dev/definition.txt?path=bend-kit-zlib@0.5.1.0/zlib.bend&name=Out
  https://jend.leeeet.dev/definition.txt?path=bend-kit-zlib@0.5.1.0/zlib.bend&name=sb.ok