ace.go
func setCache(name string, tpl template.Template) {
	cacheMutex.Lock()
	cache[name] = tpl
	cacheMutex.Unlock()
}
func setCache(name string, tpl template.Template) {
	cacheMutex.Lock()
	cache[name] = tpl
	cacheMutex.Unlock()
}
// setCache sets the template to the cache.