Tar.enc.check: def of bend-kit-tar@0.3.0.0
Import: import bend-kit-tar@0.3.0.0/tar.bend as Tar
Lines 688-694 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=688&end_line=694

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

# A name must be non-empty and hold no NUL, which the header's name field could not keep.
def enc.check(+t: U32, +mode: U32, +dl: U32, db: Array<U32>, out: Bytes.Bytes, r: Bytes.Bytes & Maybe<&2, U32>) -> Maybe<&1, Bytes.Bytes>:
  Bytes.Bytes{+ol, ob} = out
  (name, +m) = r
  Bytes.Bytes{+nl, nb} = name
  +fits = enc.room(ol, dl, nl, U32.is_lt(100, nl))
  enc.ok(U32.is_ne(nl, 0) && (Maybe.is_none(&2, U32, m) && fits), nb, nl, Bytes.Bytes{ol, ob}, t, mode, dl, db)

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=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe.is_none
  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_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_ne
  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=enc.ok
  https://jend.leeeet.dev/definition.txt?path=bend-kit-tar@0.3.0.0/tar.bend&name=enc.room