Tar.blk: def of bend-kit-tar@0.3.0.0
Import: import bend-kit-tar@0.3.0.0/tar.bend as Tar
Lines 612-616 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=612&end_line=616

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

# b with zero bytes up to the next whole block. Bytes past len are already 0, so only len and room grow.
def blk(b: Bytes.Bytes) -> Bytes.Bytes:
  Bytes.Bytes{+len, buf} = b
  +n = pad(len)
  Bytes.Bytes{n, Bytes.grow(len, buf, n)}

Uses (3):
  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-bytes@0.3.3.0/bytes.bend&name=grow
  https://jend.leeeet.dev/definition.txt?path=bend-kit-tar@0.3.0.0/tar.bend&name=pad