Wait group golang

Golang waitgroup

package main

import (
    "fmt"
    "sync"
    "time"
)

func worker(id int) {
    fmt.Printf("Worker %d starting\n", id)

    time.Sleep(time.Second)
    fmt.Printf("Worker %d done\n", id)
}

func main() {

    var wg sync.WaitGroup

    for i := 1; i <= 5; i++ {
        wg.Add(1)

        i := i

        go func() {
            defer wg.Done()
            worker(i)
        }()
    }

    wg.Wait()

}

Source: gobyexample.com

Golang waitgroup

var wg sync.WaitGroup

for i := 1; i <= 5; i++ {
	wg.Add(1)
	go func(wg *sync.WaitGroup) {
		wg.Done()
	}()
}

wg.Wait()

Wait group golang

package main

	

import (
    "fmt"
    "sync"
    "time"
)

func worker(id int, wg *sync.WaitGroup) {
    defer wg.Done()
    fmt.Printf("Worker %d starting\n", id)
    time.Sleep(time.Second)
    fmt.Printf("Worker %d done\n", id)
}

	

func main() {
    var wg sync.WaitGroup
    for i := 1; i <= 5; i++ {
        wg.Add(1)
        go worker(i, &wg)
    }
    wg.Wait()
}

Similar codes

0 vote254 views1 answer
Golang flag example
Go
0 vote191 views1 answer
Aws s3 get file size
Go
0 vote186 views2 answers
Link for a search result from google
Go
4 votes211 views2 answers
Go maps
Go
0 vote188 views1 answer
%+v in golang
Go
-1 vote195 views2 answers
Golang get last element of slice
Go
0 vote192 views1 answer
Collection not getting initiated mongo android
Go
0 vote322 views1 answer
Media google planilhas
Go
0 vote186 views1 answer
Golang http save downloaded file
Go
0 vote184 views1 answer
Golang get file sha256
Go