discovery/consul/consul.go
func (d *Discovery) shouldWatch(name string, tags []string) bool {
	return d.shouldWatchFromName(name) && d.shouldWatchFromTags(tags)
}
func (d *Discovery) shouldWatch(name string, tags []string) bool {
	return d.shouldWatchFromName(name) && d.shouldWatchFromTags(tags)
}
// shouldWatch returns whether the service of the given name should be watched.