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POHow to modify a slice within for loop?
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copied!<p>I've got a slice of articles in my reading list. Each Article has the attribute "FeedURL" that has the URL of the feed the article came from. When I unsubscribe from a feed, I want to be able to remove every Article that contains that Feed's URL.</p> <pre><code>type Article struct { FeedURL string URL string // should be unique // ... more data } func unsubscribe(articleList []Article, url string) []Article { // how do I remove every Article from articleList that contains url? } func main() { myArticleList := []Article{ Article{"http://blog.golang.org/feed.atom", "http://blog.golang.org/race-detector"}, Article{"http://planet.python.org/rss20.xml", "http://archlinux.me/dusty/2013/06/29/creating-an-application-in-kivy-part-3/"}, Article{"http://planet.python.org/rss20.xml", "http://feedproxy.google.com/~r/cubicweborg/~3/BncbP-ap0n0/2957378"}, // ... much more examples } myArticleList = unsubscribe(myArticleList, "http://planet.python.org/rss20.xml") fmt.Printf("%+v", myArticleList) } </code></pre> <p>What is the efficient way of solving this problem?</p> <p>At first my code looked like this for unsubscribe:</p> <pre><code>func unsubscribe(articleList []Article, url string) []Article { for _, article := range articleList { if article.FeedURL == url { articleList = append(articleList[:i], articleList[i+1:]...) } } return articleList } </code></pre> <p>But then I realized that this would change the slice and make the for loop unpredictable.</p> <p>What is an efficient and pretty way to accomplish this?</p>

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