Lock.Flock.try: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/lock.bend as Lock
Lines 13-17 of cswap-bend-cli@0.1.0.0/lock.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/lock.bend&start_line=13&end_line=17

import Base

# One LOCK_EX|LOCK_NB attempt on the File's descriptor: Done{1} held, Done{0}
# someone else holds it. The File comes back beside the answer.
def Flock.try(file: File) -> IO(File & Result<&1, &1, U32 & String, U32>):
  import "./effs/flock.c"
  import "./effs/flock.js"

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=File
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO
  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