Sleep Function in GoLang

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Introduction

The Golang Sleep function is used to halt a process for a specified amount of time. It is available in the time package of standard libraries of Golang. The Syntax of the Sleep function is as Below;

The Sleep() Method

The sleep method takes the duration as an argument. This is the time for which the execution of the current go-routine will be stopped. If we pass negative or zero duration of sleep to the function it will cause this method to return instantly.

Let's assume we want to stop a process for 10 seconds. We can use the Sleep function as below.

Let's Implement an example for Golang Sleep().

Creating a Basic Timer Using the Sleep Function

Output:

Try on Playgroud.

Where is Sleep Useful in Go?

The Sleep Function is useful in the below situations.  

• Threaded application where you want to pause a Go-routine.
• Simulates timeouts.
• Create Custom timers.

Func Sleep(d Duration)

We will create a random sleeping program and pass the variable Duration argument to Golang's Sleep() function.

Output:

Try on Playground.