File.file.read.opened: def of snap@1.4.0.0
Import: import snap@1.4.0.0/src/file.bend as File
Lines 82-91 of snap@1.4.0.0/src/file.bend: https://jend.leeeet.dev/read.txt?path=snap@1.4.0.0/src/file.bend&start_line=82&end_line=91

import Base

# what an opened file holds, or nothing when it would not open
def file.read.opened(res: Result<&1, &1, U32 & String, File>) -> IO(Maybe<&2, String>):
  match res:
    case Fail{_e}:
      IO.pure(Maybe<&2, String>, None{})
    case Done{file}:
      do IO<Maybe<&2, String>>:
        got : File & Result<&1, &1, U32 & String, U32> <- File.size(file)
        text : String <- file.read.sized(got)
        return Some{text}

Uses (11):
  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=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=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=snap@1.4.0.0/src/file.bend&name=file.read.sized