Sha256.packed.tail: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/hub_sha/sha256.bend as Sha256
Lines 122-145 of mylsm-lsm-store@0.6.0.1/src/hub_sha/sha256.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/hub_sha/sha256.bend&start_line=122&end_line=145

import Base
import bend-kit-bytes@0.3.2.0/bytes.bend as Packed

# Read the remaining fewer than 64 bytes for the existing constant-space tail
# padding routines. This list is bounded by 63 octets, regardless of file size.
def packed.tail(
  remaining: Nat,
  pair: Packed.Cursor & Maybe<&2, U32>,
  acc: List<&2, U32>
) -> Packed.Cursor & List<&2, U32>:
  match remaining:
    case 0n:
      match pair:
        case (cursor, _):
          (cursor, List.reverse(&2, U32, acc))
    case 1n:
      match pair:
        case (cursor, Some{byte}):
          (cursor, List.reverse(&2, U32, byte <> acc))
        case (cursor, None{}):
          (cursor, Nil{})
    case 1n+more:
      match pair:
        case (cursor, Some{byte}):
          packed.tail(more, Packed.Cursor.u8(cursor), byte <> acc)
        case (cursor, None{}):
          (cursor, Nil{})

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.reverse
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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=Cursor
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=Cursor.u8