ByteDurableDb.snapshot.root.cursor.open.copied: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend as ByteDurableDb
Lines 2794-2813 of mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&start_line=2794&end_line=2813

import Base
import mylsm-lsm-store@0.6.0.1/src/scan/SstCursor.bend as SstCursor
import mylsm-lsm-store@0.6.0.1/src/scan/RangeCursor.bend as RangeCursor
import mylsm-lsm-store@0.6.0.1/src/scan/VisibleCursor.bend as VisibleCursor

def snapshot.root.cursor.open.copied(
  bounds: RangeCursor.Bounds & RangeCursor.Bounds,
  root: SnapshotRoot
) -> IO(Result<&1, &1, Error, SnapshotCursorRoot>):
  match bounds:
    case (visible_bounds, sst_bounds):
      match root:
        case SnapshotRoot{sst_path, _, retained_bytes, delta}:
          match sst_path:
            case None{}:
              IO.pure(Result<&1, &1, Error, SnapshotCursorRoot>,
                Done{SnapshotCursorRoot{retained_bytes,
                  VisibleCursor.open(None{}, delta, visible_bounds)}})
            case Some{path}:
              do IO<Result<&1, &1, Error, SnapshotCursorRoot>>:
                opened : Result<&1, &1, U32 & String, SstCursor.Cursor> <-
                  SstCursor.open.trusted(path,
                    snapshot.root.sst.bounds(sst_bounds))
                snapshot.root.cursor.opened(retained_bytes, delta,
                  visible_bounds, opened)

Uses (18):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO.bind
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO.pure
  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=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=SnapshotCursorRoot
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=SnapshotRoot
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=snapshot.root.cursor.opened
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=snapshot.root.sst.bounds
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/RangeCursor.bend&name=Bounds
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/SstCursor.bend&name=Cursor
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/SstCursor.bend&name=open.trusted
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/VisibleCursor.bend&name=open