method ready
Documentation for method ready
assembled from the following types:
class Proc::Async
From Proc::Async
(Proc::Async) method ready
method ready(Proc::Async: --> Promise)
Returns a Promise that will be kept once the process has successfully started. Promise will be broken if the program fails to start.
Implementation-specific note: Starting from Rakudo 2018.04, the returned promise will hold the process id (PID).