Added NewFeed()

rss.go

@@ -185,11 +185,6 @@ func (c *Channel) check() error {
 }
 
 func (f *Feed) check() error {
-	f = &Feed{
-		Version:          "2.0",
-		ContentNamespace: "http://purl.org/rss/1.0/modules/content/",
-	}
-
 	if f.Channels == nil {
 		return fmt.Errorf("error: feed has no channels")
 	}
@@ -203,6 +198,13 @@ func (f *Feed) check() error {
 	return nil
 }
 
+func NewFeed() *Feed {
+	return &Feed{
+		Version:          "2.0",
+		ContentNamespace: "http://purl.org/rss/1.0/modules/content/",
+	}
+}
+
 func (f *Feed) ToXML() (string, error) {
 	if err := f.check(); err != nil {
 		return "", fmt.Errorf("error checking RSS feed: %v", err)