Sys.sys.read.opened: def of ezsys@0.1.0.0
Import: import ezsys@0.1.0.0/src/sys.bend as Sys
Lines 92-101 of ezsys@0.1.0.0/src/sys.bend: https://jend.leeeet.dev/read.txt?path=ezsys@0.1.0.0/src/sys.bend&start_line=92&end_line=101

import Base

# an opened file is sized and read; a failed open is the answer
def sys.read.opened(
  res: Result<&1, &1, U32 & String, File>
) -> IO(Result<&1, &1, U32 & String, String>):
  match res:
    case Fail{error}:
      IO.pure(Result<&1, &1, U32 & String, String>, Fail{error})
    case Done{file}:
      IO.bind(File & Result<&1, &1, U32 & String, U32>,
        Result<&1, &1, U32 & String, String>, File.size(file), sys.read.sized)

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=File
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=File.size
  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=Pair
  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
  https://jend.leeeet.dev/definition.txt?path=ezsys@0.1.0.0/src/sys.bend&name=sys.read.sized