go.mod

module Users/is/dev-env/go/project1

go 1.21.0

require golang.org/x/sync v0.3.0

main.go

package main

import (
	"errors"
	"time"

	"golang.org/x/sync/errgroup"
)

func main() {
	eg := new(errgroup.Group)
	eg.Go(func() error {
		time.Sleep(1 * time.Second)
		return errors.New("error")
	})
}