2 ms·

Would this work? c := colly.NewCollector() // this functions create a goroutine and returns a channel ch := c.HTML("a") e := <- ch link := e.Attr(

Would this work? c := colly.NewCollector() // this functions create a goroutine and returns a channel ch := c.HTML("a") e := <- ch link := e.Attr("href") // ... I'm a bit rusty (ah!) with go, so bear with me if the above contains errors.

maxpert 9y ago
This would work. No callback hell a pleasure for eyes!
asciimoo 9y ago
How do you recognize if the collector has finished? If the site doesn't contain "a" elements (e.g. because of a network error), this example would block forever.
- dward 9y ago
  The producer closes the channel. This is differentiable from an open empty channel in a select.
  - asciimoo 9y ago
    Makes sense, thanks =) In the above example this would require `nil` checking of the retrieved value every time. I'm not sure if it would make the API cleaner