Tar.hdr.check: def of bend-kit-tar@0.3.0.0
Import: import bend-kit-tar@0.3.0.0/tar.bend as Tar
Lines 350-352 of bend-kit-tar@0.3.0.0/tar.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-tar@0.3.0.0/tar.bend&start_line=350&end_line=352

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

def hdr.check(+len: U32, +i: U32, +sum: U32, r: Array<U32> & U32 & Bool) -> Bytes.Bytes & Maybe<&2, Hdr>:
  (a, ck, ok) = r
  hdr.ck2(len, i, sum, ck, ok, Array.get(U32, a, ((i >> 2n) + 37 : U32)))

Uses (12):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.get
  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=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shrn
  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-tar@0.3.0.0/tar.bend&name=Hdr
  https://jend.leeeet.dev/definition.txt?path=bend-kit-tar@0.3.0.0/tar.bend&name=hdr.ck2