// statusStackHandler returns the status of the Stack.
func (c *Conn) statusStackHandler(w http.ResponseWriter, r *http.Request, stack *pila.Stack) {
stack.Read(c.opDate)
log.Println(r.Method, r.URL, http.StatusOK)
w.Header().Set("Content-Type", "application/json")
// Do not check error as we consider that a flushed
// stack has no JSON encoding issues.
b, _ := stack.Status().ToJSON()
w.Write(b)
}
