RestoreIo.source.read.checked: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/transfer/RestoreIo.bend as RestoreIo
Lines 450-458 of mylsm-lsm-store@0.6.0.1/src/transfer/RestoreIo.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/RestoreIo.bend&start_line=450&end_line=458

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

def source.read.checked(
  +destination: String,
  +expected_size: Nat,
  input: Bytes.Bytes
) -> IO(Result<&1, &1, Error, Unit>):
  match input:
    case Bytes.Bytes{+len, _}:
      source.read.length(destination, input,
        Nat.is_eq(U32.to_nat(len), expected_size))

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  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=mylsm-lsm-store@0.6.0.1/src/transfer/RestoreIo.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/RestoreIo.bend&name=source.read.length