process_waiter

gleam add process_waiter

import gleam/erlang/process
import process_waiter

pub fn main() {
 // Start some processes
 let pid1 = process.spawn(fn() { process.sleep(500) })
 let pid2 = process.spawn(fn() { process.sleep(500) })
 let pid3 = process.spawn(fn() { process.sleep(500) })

 // Wait for them to exit
 process_waiter.wait([pid1, pid2, pid3])

 // The processes have now finished
 process.is_alive(pid1) // -> False
}

Documentation can be found at https://hexdocs.pm/process_waiter.