File.read.opened: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/io/file.bend as File
Lines 83-92 of ezx@1.11.0.0/src/io/file.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/io/file.bend&start_line=83&end_line=92

import Base

# what an opened file holds, or nothing when it would not open
def 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 <- 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=ezx@1.11.0.0/src/io/file.bend&name=read.sized