Code from https://pkg.go.dev/golang.org/x/sync/errgroup?tab=doc
var g errgroup.Group
var urls = []string{
"http://www.golang.org/";,
"http://www.google.com/";,
"http://www.somestupidname.com/";,
}
for _, url := range urls {
url := url
g.Go(func() error {
// Fetch the URL.
resp, err := http.Get(url)
if err == nil {
resp.Body.Close()
}
return err
})
}
if err := g.Wait(); err == nil {
fmt.Println("Successfully fetched all URLs.")
}
Out of 3, suppose 2 Goroutines will keep running in parallel without error
and while calling “http://www.google.com/”, it got an error.
That will be collected at g.Wait().
My question is Does *errgroup* terminates the other 2 running Goroutines if
the main keeps running?
Or I need to use errgroup.WithContext(ctx) and keep listening this context
if its ctx.Done() and then terminate my goroutine??
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