How can tasks be executed without using the built-in event or task scheduler?

If you cannot use built-in schedulers (like cron or internal timers), you can implement task execution using goroutines and channels in Go.

For example, you can create an infinite loop in a separate goroutine that waits for a specified time and then manually runs a task:

package main

import (
    "fmt"
    "time"
)

func task() {
    fmt.Println("Executing task", time.Now())
}

func main() {
    go func() {
        for {
            task()
            time.Sleep(1 * time.Hour) // delay between executions
        }
    }()

    select {} // block main to prevent program from exiting
}

This way, you can manage scheduling manually without built-in schedulers.