Creating implementation for idiom 185 : Execute function in 30 seconds

Idiom

# 185 Execute function in 30 seconds

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Schedule the execution of f(42) in 30 seconds.

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Other implementations

(do (Thread/sleep 30000)
    (f 42))

using System;
using System.Threading.Tasks;

Task.Delay(TimeSpan.FromSeconds(30))
    .ContinueWith(_ => f(42));

Future.delayed(const Duration(seconds: 30), () => f(42));

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import "time"

timer := time.AfterFunc(
	30*time.Second,
	func() {
		f(42)
	})

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import "time"

go func() {
	time.Sleep(30 * time.Second)
	f(42)
}()

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sleep(30*1000)
f(42)

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let id = setTimeout(f, 30000, 42);

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import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor();
executorService.schedule(() -> _f(42), delayInSeconds, TimeUnit.SECONDS);

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Origin

sleep(30);
f(42);

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use threads;

my $thr = threads->create(sub { sleep(30); f(42); });
$thr->detach();

use threads;

my $thr = threads->create(sub { sleep(30); f(42); });
$thr->join()

local $SIG{ALRM} = sub { f(42) };
alarm 30;

import threading

timer = threading.Timer(30.0, f, args=(42,) ) 
timer.start()

Thread.new do
  sleep 30
  f(42)
end

use std::time::Duration;
use std::thread::sleep;

sleep(Duration::new(30, 0));
f(42);

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(f future: 30 "seconds" * 1000) value: 42.

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