def attempt

cswap-bend-cli@0.1.0.0 · lock.bend:33

import Base
import cswap-bend-cli@0.1.0.0/fs.bend as Fs

33# One attempt, as a Bool.
34def attempt(f: File) -> IO(File & Fs.Res(Bool)):
35  IO.bind(File & Fs.Res(U32), File & Fs.Res(Bool), Flock.try(f), tried)