How do goroutines work in Go

Concurrency Core

2026-04-17T12:05:42+00:00

Goroutines are lightweight concurrent functions in Go launched with the 'go' keyword to run tasks simultaneously.

Goroutines are lightweight threads managed by the Go runtime that execute functions concurrently using the go keyword. They communicate and synchronize via channels, allowing multiple tasks to run simultaneously without blocking the main program.

package main

import "fmt"

func main() {
    go func() {
        fmt.Println("Running in a goroutine")
    }()
    fmt.Println("Main function continues")
}