Method lookup

src/main/java/field/graphics/Scene.java:134–136

looks up a previously named child, attached using attach(tag, perform)

(String name)

     * looks up a previously named child, attached using attach(tag, perform)
     */
    public Consumer<Integer> lookup(String name) {
        return tagged.get(name);
    }

    /**
     * Disconnects a Perform from this Scene. Care has been taken to ensure you can do this while the internalScene is being traversed.