Skip to content

yudppp/throttle

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 

History

26 Commits
 
 
 
 
 
 
 
 
 
 
 
 

Repository files navigation

Throttle

test workflow Go Report Card Coverage Status

Throttle is an object that will perform exactly one action per duration. Do call the function f if a specified duration has passed since the last function f was called for this instance of Throttle.

Group 38 (1)

Examples

single thread

package main

import (
	"fmt"
	"time"

	"github.com/yudppp/throttle"
)

func main() {
	throttler := throttle.New(time.Second)
	throttler.Do(func() {
		fmt.Println("first call")
	})
	throttler.Do(func() {
		// this function called never.
		fmt.Println("second call")
	})
	time.Sleep(time.Second)
	throttler.Do(func() {
		fmt.Println("third call")
	})
	time.Sleep(time.Second)
}
$ go run -race main.go
first call
third call

multiple threads

package main

import (
	"fmt"
	"time"

	"github.com/yudppp/throttle"
)

func main() {
	throttler := throttle.New(time.Second)
	var wg sync.WaitGroup
	for i := 0; i < 64; i++ {
		wg.Add(1)
		go func(i int) {
			throttler.Do(func() {
				fmt.Println("called")
			})
			wg.Done()
		}(i)
	}
	wg.Wait()
}
$ go run -race main.go
called

License

The MIT License (MIT)