Zlib.gz.fextra: def of bend-kit-zlib@0.5.1.0
Import: import bend-kit-zlib@0.5.1.0/zlib.bend as Zlib
Lines 570-576 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=570&end_line=576

import Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes

def gz.fextra(on: Bool, r: Bytes.Bytes & Maybe<&2, U32>) -> Bytes.Bytes & Maybe<&2, U32>:
  match on:
    case False{}:
      r
    case True{}:
      (b, m) = r
      gz.fextra.at(m, b)

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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=bend-kit-bytes@0.3.3.0/bytes.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=bend-kit-zlib@0.5.1.0/zlib.bend&name=gz.fextra.at