store the parsed url by value in resolver.Target

clientconn.go

@@ -1694,6 +1694,6 @@ func parseTarget(target string) (resolver.Target, error) {
 		Scheme:    u.Scheme,
 		Authority: u.Host,
 		Endpoint:  endpoint,
-		ParsedURL: u,
+		ParsedURL: *u,
 	}, nil
 }

internal/resolver/unix/unix.go

@@ -43,9 +43,6 @@ func (b *builder) Build(target resolver.Target, cc resolver.ClientConn, _ resolv
 	// resolver implementations we ended up stripping the leading "/" from the
 	// endpoint. This obviously does not work for the "unix" scheme. Hence we
 	// end up using the parsed URL instead.
-	if target.ParsedURL == nil {
-		return nil, fmt.Errorf("nil ParsedURL in received target: %+v", target)
-	}
 	endpoint := target.ParsedURL.Path
 	if endpoint == "" {
 		endpoint = target.ParsedURL.Opaque

resolver/resolver.go

@@ -230,7 +230,7 @@ type Target struct {
 	// added to it if the original dial target contained no scheme or contained
 	// an unregistered scheme. Any query params specified in the original dial
 	// target can be accessed from here.
-	ParsedURL *url.URL
+	ParsedURL url.URL
 }
 
 // Builder creates a resolver that will be used to watch name resolution updates.