massively simplify

cmd/root.go

@@ -41,26 +41,21 @@ func formatItem(item *gofeed.Item, tmpl *template.Template) (string, error) {
 // along with any parsing errors.
 func parseFeeds(urls []string) ([]*gofeed.Feed, []error) {
 	fp := gofeed.NewParser()
-	feedChs := make([]chan *gofeed.Feed, len(urls))
-	errChs := make([]chan error, len(urls))
-
-	for i, url := range urls {
-		feedCh := make(chan *gofeed.Feed)
-		errCh := make(chan error)
-		go func(url string) {
-			feed, err := fp.ParseURL(url)
-			feedCh <- feed
-			errCh <- err
-		}(url)
-		feedChs[i] = feedCh
-		errChs[i] = errCh
-	}
-
 	feeds := make([]*gofeed.Feed, len(urls))
 	errs := make([]error, len(urls))
-	for i := range feedChs {
-		feeds[i] = <-feedChs[i]
-		errs[i] = <-errChs[i]
+	done := make(chan int)
+
+	for i, url := range urls {
+		go func(i int, url string) {
+			feed, err := fp.ParseURL(url)
+			feeds[i] = feed
+			errs[i] = err
+			done <- i
+		}(i, url)
+	}
+
+	for i := 0; i < len(urls); i++ {
+		<-done
 	}
 
 	return feeds, errs