find favicons

src/crawler/utils.go

@@ -7,6 +7,15 @@ import (
 	"golang.org/x/net/html"
 )
 
+func any(els []string, el string, match func(string, string) bool) bool {
+	for _, x := range els {
+		if match(x, el) {
+			return true
+		}
+	}
+	return false
+}
+
 func getAttr(node *html.Node, key string) string {
 	for _, a := range node.Attr {
 		if a.Key == key {