Can a Variable represent a Function?

Is there a way I can assign this code
"SimpleButton(event.target).mouseEnabled = false;" to a variable so
I can disable all the buttons where n=1?
Something like this (sorry, I'm not sure of the proper syntax
which may be my problem):
var n:Number = 0;
if (n = 1)
SimpleButton(event.target).mouseEnabled = false;
else
SimpleButton(event.target).mouseEnabled = true;
OR
Maybe a variable inside the function to represent the True or
False?
where n = 0 = True
and n = 1 = False
SimpleButton(event.target).mouseEnabled = ('n' instead of
true or false);
I have 10 buttons on the page and when one activates a movie
I want all the buttons to be deactivated except the "close" button
and I thought using a variable like "n" would allow me to do this.
Currently with the above code I get "Access of undefined
property event" error where this line of code is located.
ks

Very Sorry, but I can't make anything out from your code or
how I'm suppose to use it. I've only been using CS3 for 4 weeks and
it just doesn't make sense and nothing in my books or the searches
or Flash Help explains it so I can understand it.
var tl:MovieClip = this; (what is going on with this
variable? It looks like its turning a button click target into a
movie..?)
var buttonNum:int = xxx; // <--define this (is this the
total # of buttons I'm using? I'm guessing it is)
(the below increments my coin buttons to their instance names
of coin1, coin2, etc. but how does it relate to tl[coin"+i]?)
for(var i:int=0;i<=buttonNum;i++){
tl["coin"+i].addEventListener(MouseEvent.CLICK,f);
( is the below where I want to insert the code to disable the
buttons like this code? SimpleButton(event.target).mouseEnabled =
false;)
(also, should it be event:MouseEvent not e:MouseEvent?)
function f(e:MouseEvent){
// now you can do whatever with your buttons
// e.currentTarget is the clicked button
Sorry for the head aches but thanks for the help you have
given me so far!!
Regards
kevin

Similar Messages

How can I transfer a variable to regexp_replace function

Hi,
In addition to my question from yesterday, I went up one (little) level for the next question.
How can I transfer a variable to regexp_replace function?
I am getting the value of the variables from from APEX Items.
The value of item :P105_OLD_NAME should be replaced with the value from :P105_NAME APEX item.
The projects in PROJECT_NAME field are separated by “:”
select * from infoux_proj;
HOSTNAME PROJECT_NAME
host1 proj2:proj1
host3 proj1
host4 proj12:proj1
host5 proj3
host2 proj1:proj3:sunproj1
this is my code:
declare
v_old_proj_list varchar(100);
v_new_proj_list varchar(100);
begin
for host in (select a.hostname, project_name
from infoux_proj a,
(select hostname
from PROJECT_NAMES_WITH_HOSTNAMES
where name = :P105_OLD_NAME ) b
where a.HOSTNAME=b.hostname)
loop
select project_name ,
regexp_replace(project_name,'(^|:)(:P105_OLD_NAME)(:|$)','\1:P105_NAME \3') new_project
into v_old_proj_list, v_new_proj_list
from infoux_proj
where hostname=host.hostname;
update infoux_proj
set project_name=v_new_proj_list
where hostname=host.hostname;
end loop;
end;
Thanks,
Sheli

Hi, Sheli
Inside quotes, :p105_old_name will not be taken as a variable name. If you want to use the value of :p105_old_name in a string which its otherwise a literal, then you can concatenate the variable to the literal parts, using the || operator.
You can do soemthing like this:
REGEXP_REPLACE ( project_name
            , '(^|:)(' || :P105_OLD_NAME
                         || ')(:|$)'
            , '\1'       || :P105_NAME
                         || ' \3'
            )               AS new_projectI'll bet there's a much simpler way to do what you want. Instead of having two SELECTs, a cursor FOR loop and an UPDATE, you can probably do what you need to with just a single UPDATE or MERGE. It would be more efficient, too. If you'd like help, post CREATE TABLE and INSERT statements for all relevant tables and columns azs the exist before this code is run, a couple of sets of values for the bind variables, and the results you'd like to see (that is, the contents of the changed table) for each set, given the same sample data.
Always say which version of Oracle you're using.

Can't use bind variable in a function

This is a repost from my earlier post at
URGENT: Problem creating the report using Procedure
The problem is when I bind a variable in a function, I get REP-0002. Please look at the following steps to reproduce
===
set serveroutput on
create or replace
package Q_REP_test
as
type drec is record
sdate date
type dreccursor is ref cursor return drec;
Procedure Get_sysdate(retdate out dreccursor);
procedure add_days_tocurdate(no_of_days in number, retdate out dreccursor);
end q_rep_test;
show errors
create or replace
package body q_rep_Test
as
procedure Get_sysdate(retdate out dreccursor)
is
begin
open retdate for
select sysdate retdate from dual;
end;
procedure add_days_tocurdate(no_of_days in number, retdate out dreccursor)
is
begin
open retdate for
select sysdate+no_of_days retdate from dual;
end;
end q_rep_test;
show errors
===
Invoke the SP as follows:
===
function QR_1RefCurDS return q_rep_test.dreccursor is
tempc q_rep_test.dreccursor ;
begin
q_rep_test.add_days_tocurdate(:p_1,tempc);
return tempc;
end;
===
1. Create a report
2. create an user parameter(p_1)
3. add a pl/sql as above
4. run it(to verify the report works)
5. save it.
6. close the report
7. Open it again, you get an as
"REP-0002: Unable to retrieve a string from the Report Builder Message file". Now it is corrupted and can't be used at all.
Please treat this as urgent and help me.
Thanks

Hi ,
Though you have stated it as Oracle92iDS check whether it has the 9.0.2.2 patchset applied. If not please try applying the latest Patchset 9.0.2.2 for Oracle9i Reports.
To download the patch goto Metalink <http://metalink.oracle.com/metalink/plsql/ml2_gui.startup> and search for Patch# 2842923.
This Patchset is for iAS and iDS.
In either case, please let me know the results.
Thanks,
Vinod.

Unable to use variables of a function module in am enhancement spot

Hi All,
I have created an implicit code enhancement spot at the end of a function module. In this enhancement I am unable to access the local variables and the import/export variables of the function module. Is this the expected behavior or I am doing something wrong.
Thansk & Regards,
Saurabh

Hi Saurabh,
Can you explain your scenario in detail with tcode and function module and all.
Regards,
kamalapriya

Substitution variable in the functions

Can we call substitution variable in the functions in essbase calc scripts
for example fix (@IRSIBLINGS(&mois_en_cours_reprev));

Sould be just fine. Does it validate? If not, make sure the variable is spelled correctly in EAS (always start with the easy solution first :) ).

How to use session variable in JSP function & How to use both JSP Servlet

Hi,
I am new to JSP and servlets
Still I am devloping a website in JSP. I am not mixing JSP with servlets, but I do create Java files for bean, logic and database works.
I try to keep the hard coding part out of JSP.
I dont how to use both JSP and Servlets in combination.
Hence If needed I write some functions in JSP.
but it gives me error
+<%! public void abc()+
+{+
int intUserId = Integer.valueOf((Integer) session.getAttribute("MySession_UserID"));
+}+
+%>+
Saying cannot find symbol session
1) So can u please tell how can I access session variables within JSP function
2) And also give me some links/tutorials about useing both JSP and Servlets in combination.
Thanks
Venkat

The application architecture when you use Servlets and JSP in a standard MVC pattern is explained here (under the heading "Integrating Servlets and JSP Pages") and here ...

Using a global variable within a function

Hi all,
I'm trying to learn how to use global variables, but can't quite get it right:
Im trying to use two buttons, named UpButton and DownButton to control one global variable, p1
A text field, named "Value" displays p1.
Here's my code:
p1 = 0;
ButtonClick("UpButton", p1, 100,"Value");
ButtonClick("DownButton", p1,(-100),"Value");
function ButtonClick(ButtonName,Var,Increment,TextToChange){
                    sym.$(ButtonName).click(function(){
                    Var = Var + Increment;
                    sym.$(TextToChange).html(Var);
However, it seems to be treating p1 as two different variables.
Here's a link to the page to show you what I mean, apologies but this link wont work in google chrome because I'm using dropbox as a server temporarily
In other browsers you may need to click "Show all content" or similar to any security warnings...
https://dl.dropboxusercontent.com/u/83693404/ButtonTest/buttons.html
Here are the project files:
https://app.box.com/s/0shocivto8fl295h62uq
Any help greatly appreciated, sorry if this is a stupid question,
Katherine

Hi Katherine,
However, it seems to be treating p1 as two different variables.
Indeed, your code created two different variables in two different scopes (I guess it as to do with JavaScript closures, but do not ask me more, I am still a bit foggy about that idiosyncrasy ).
In JavaScript, a primitive parameter – this is the case here with p1, a Number value –, is passed by value. In other words, a copy of the value is made. Your code handles two copies of the value stored in p1.
This contrasts with an object parameter, which is passed by reference (address in memory), without copy. Your code would work if Numbers were passed by reference : the two Var (p1) would then point to the same address.
The intent behind your trial is a global variable.
1) Let us be as simple as possible :
Stage : document.compositionReady event handler
p1 = 0;
buttonClick = function( Increment)
p1 += Increment;
sym.$( "Value").html( p1);
Stage : DownButton.click event handler
buttonClick(-100);
Stage : UpButton.click event handler
buttonClick(100);
Without being preceded by the var keyword the variables are global.
So the Number variable p1 can be accessed inside function buttonClick.
And the Function variable buttonClick as well, is accessible inside click event handlers, everything (function definition +function calls) being inside the same symbol (Stage).
2) Now, suppose this is no longer the case : you want to access a variable from another symbol.
We create a new GraySquare symbol, instantiated both in the DownButton symbol (instance name DownSquare) and in the UpButton symbol (instance name DownSquare).
Stage : document.compositionReady event handler
p1 = 0;
sym.buttonClick = function( Increment)
p1 += Increment;
sym.$( "Value").html( p1);
The sym. prefix is now necessary to make the variable (here a Function, but you would proceed exactly the same with a String, Number or Boolean) accessible in other symbols.
DownButton symbol : DownSquare.click event handler
sym.getComposition().getStage().buttonClick( -100);
UpButton symbol : UpSquare.click event handler
sym.getComposition().getStage().buttonClick( 100);
From these other symbols, the sym.getComposition().getStage(). prefix is necessary to acces to our global variable (function).
The two examples are downloadable here : https://app.box.com/s/6vkyiqk7i8zwlw0j1wk1
Gil

Use variables in ParallePeriod function in MDX

Hello, I am using PARALLELPERIOD () function in MDX. the syntax is
PARALLELPERIOD([Date].[Calendar Hierarchy].[Year],1,[Date].[Calendar Hierarchy].[Date].&[20131201]). My question is can i use two variables in this? like PARALLELPERIOD( @Level,1,@Member). I know we can do PARALLELPERIOD([Date].[Calendar Hierarchy].[Year],1,@Member).
With this two variables, i can use same query for calendar hierarchy and week hierarchy etc. Please let me know your thoughts. A work around solution is also fine.
or can I derive @level from @member on the fly? something like PARALLELPERIOD( @Member.level,1,@Member)
thanks in advance.
prajwal kumar potula

You can use variables like that client side. That may be a .NET function that generates MDX, or SSRS does the same thing.
Regarding whether you can derive @Level from @Member, yes you can. Once you have substituted @Member in the query, you can use the .Level function, so it would look like this - after substitution:
PARALLELPERIOD( [Date].[Calendar Hierarchy].[Date].&[20131201].Level,
1,
[Date].[Calendar Hierarchy].[Date].&[20131201]
Christian Wade
http://christianwade.wordpress.com/
Please mark correct responses as answers!

How to find Unused variables in procedure,function or package

Hi all,
I want find out unused variables in procedure, function and package.
I have written below script for doing this ,but i am not getting the expected result.
Kindly help me to improve the below code ,so that it works as expected.
{code}
version details
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
"CORE    11.2.0.3.0    Production"
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
{code}
{code}
What i Have tried is This.
DECLARE
V_OBJECT_NAME VARCHAR2(30) :='PR_PRINT';
V_OBJECT_TYPE VARCHAR2(30) :='PROCEDURE';
CURSOR C1(CP_OBJECT_NAME VARCHAR2,CP_OBJECT_TYPE VARCHAR2)
IS
    SELECT US.NAME,
      US.TYPE,
      US.LINE,
      REGEXP_SUBSTR(US.TEXT,'.* ') AS var_name
    FROM user_source US
    WHERE name=CP_OBJECT_NAME
    AND type =CP_OBJECT_TYPE
    AND REGEXP_LIKE (TEXT,'(v_|g_|c_)','i')
    AND REGEXP_LIKE (TEXT,'^[^ ]')
    AND REGEXP_LIKE (TEXT,'^[^--]') ;
v_count NUMBER ;
BEGIN
FOR i IN C1(V_OBJECT_NAME,V_OBJECT_TYPE)
LOOP
    SELECT COUNT( *)
    INTO V_COUNT
    FROM USER_SOURCE US
    WHERE US.NAME=I.NAME
    AND REGEXP_LIKE(US.TEXT,i.var_name,'i' )
    AND US.LINE<>I.LINE;
    IF V_COUNT =0 THEN
      DBMS_OUTPUT.PUT_LINE('variable '||I.VAR_NAME||'Is declared at line#'||I.LINE||' But no where used');
    END IF ;
END LOOP;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('p_err_code := '||SQLCODE||dbms_utility.format_Error_backtrace());
DBMS_OUTPUT.PUT_LINE('p_err_msg := '||sqlerrm);
END ;
{code}
Thanks,
P Prakash

Hello,
as suggested by padders you can use PL/Scope, an example:
ALTER SESSION SET PLSCOPE_SETTINGS='IDENTIFIERS:ALL';
CREATE OR REPLACE PACKAGE ui_test1 AS
    global_number   NUMBER := 9;
FUNCTION get_number
    RETURN NUMBER;
END ui_test1;
CREATE OR REPLACE PACKAGE BODY ui_test1 AS
PROCEDURE setNull
     p_varchar          IN OUT VARCHAR2
IS
BEGIN
    p_varchar := NVL(p_varchar,'NULL');
END setNull;
FUNCTION get_number
    RETURN NUMBER
IS
    FUNCTION setZero
         p_number       IN NUMBER
        RETURN NUMBER
    IS
    BEGIN
        RETURN NVL(p_number,0);
    END setZero;
BEGIN
    RETURN global_number;
END get_number;
END ui_test1;
SELECT DISTINCT
        object_name
       ,object_type
       ,name
       ,type
       ,line
       ,col
FROM    all_identifiers obj
WHERE   obj.owner = USER
AND     obj.usage = 'DECLARATION'
AND     obj.object_name = 'UI_TEST1'
AND     NOT EXISTS (
            SELECT 1
            FROM    all_identifiers with_rh
            WHERE   obj.signature = with_rh.signature
            AND     with_rh.usage IN ('REFERENCE','CALL','ASSIGNMENT')
ORDER BY TYPE
        ,object_name
        ,object_type
        ,name;
OBJECT_NAME OBJECT_TYPE   NAME       TYPE       LINE COL
UI_TEST1     PACKAGE       GET_NUMBER FUNCTION     11 10
UI_TEST1     PACKAGE BODY SETZERO    FUNCTION     35 14
UI_TEST1     PACKAGE       UI_TEST1   PACKAGE       1   9
UI_TEST1     PACKAGE BODY SETNULL    PROCEDURE    12 11
Regards
Marcus

How to pass variable in a function

I would like to ask how to pass the value "char" into the
"onSoundComplete" function? many thanks! many thanks!
_root.playVO = function(pageNum, char){
var myVO:Sound = new Sound();
myVO.loadSound("vo/vo" + pageNum + ".mp3", true);
_root.myVO.onSoundComplete = function(char){
_root.attachMovie("indicator", "indicator",
_global.curLevel++);
_root[char].mouth.gotoAndStop("mute");
_root.indicator.clickIndicator_btn.onRelease = function(){
_root.play();
_root.currentPage++;
_root.display(_root.currentPage);
this._parent.removeMovieClip();
}

I don't think you can pass variables into the onSoundComplete
handler function. But you don't really need to as you've written
the code. You're passing it into the playVO function so it should
be availble to the onComplete handler (which you've written inside
playVO) without having to restate it. As long as you pass it in
when calling playVO (e.g. playVO(myVar);)
Hope that helps!

Losing variable values between functions...

hi!
I'm trying to do something simple in actionscript as simple as this:
- Create a variable: var urlVideo:String;
- Use that variable inside a function and give it a value: urlVideo = videoElemento.url.text();
- Then create a new variable and give it the urlVideo value: var url:String = urlVideo;
My problem is that urlVideo loses it's value
Why is that happening?
Here's my code:
var idVideo:String = "12";
var urlVideo:String;
var xmlPath:String = "videos.xml";
var xml:XML;
var loader = new URLLoader();
loader.load(new URLRequest(xmlPath));
loader.addEventListener(Event.COMPLETE, xmlLoaded);
function xmlLoaded(e:Event):void
if ((e.target as URLLoader) != null )
xml = new XML(e.target.data);
xml.ignoreWhitespace = true;
getVideo(xml);
function getVideo(videosInput:XML):void
var listaVideos:XMLList = videosInput.Video;
for each (var videoElemento:XML in listaVideos)
if(videoElemento.id.text() == idVideo)
urlVideo = videoElemento.url.text();
trace(urlVideo); //has a value
break;
var url:String = urlVideo; //the urlVideo values is null !!
What am i doing wrong?
Can anyone help me?

The above post is correct providing the way you displayed the code in your original post is the same way you have it in your program
function getVideo(videosInput:XML):void
var listaVideos:XMLList = videosInput.Video;
for each (var videoElemento:XML in listaVideos)
if(videoElemento.id.text() == idVideo)
urlVideo = videoElemento.url.text();
trace(urlVideo); //has a value
break;
var url:String = urlVideo; this line occurs outside the function which means that until getVideo is called urlVideo will always be null because its never set until getVideo actualy gives it a value.
zeroskillz method will set the url to play right inside the function which is a good way to organize.. keep behaviors together.
now if you placed url= urlvideo before the end of the function you would have seen a trace like thus:
function getVideo(videosInput:XML):void
var listaVideos:XMLList = videosInput.Video;
for each (var videoElemento:XML in listaVideos)
if(videoElemento.id.text() == idVideo)
urlVideo = videoElemento.url.text();
trace(urlVideo); //has a value
break;
var url:String = urlVideo //has value

Using value variables throw public functions

He all!!
I'm trying to use value variables throw public functions in
the same class.
Is there any possible to do it?
I'll explain:
What i whant is in tha FLA file to get the songName of the
mp3 like trace(musica.nomeMusica);
quote:
//AS Code
package Mp3Player{
import flash.media.Sound;
import flash.media.SoundLoaderContext;
import flash.media.SoundChannel;
import flash.media.ID3Info;
import flash.net.URLRequest;
import flash.events.Event;
public class Mp3Player {
private var sound:Sound;
private var req:URLRequest;
private var context:SoundLoaderContext;
private var channel:SoundChannel;
private var id3:ID3Info;
private var nomeMusica:String;
public function tocarMusica(file) {
sound=new Sound ;
req=new URLRequest(file);
context=new SoundLoaderContext(8000,true);
sound.load(req,context);
channel=sound.play();
trace("A tocar");
sound.addEventListener(Event.ID3,id3Info);
public function id3Info(event:Event):void {
id3=event.target.id3;
nomeMusica=id3.songName;
public function get getNome():String {
return nomeMusica;
//FLA Code
import Mp3Player.Mp3Player;
var musica:Mp3Player = new Mp3Player();
var nome:String = musica.getNome;
musica.tocarMusica("Saia_Indiscreta.mp3");
trace(nome);
The trace of my code is:
quote:
A tocar
Null
What i'm doing wrong or is missing?

Tnks all for the reply but none of them give me any answer :(
Making the question in other way.
Using the code above, how can i set a funcion to call the
musicaNome value from FLA file?
quote:
//AS Code
package Mp3Player{
import flash.media.Sound;
import flash.media.SoundLoaderContext;
import flash.media.SoundChannel;
import flash.media.ID3Info;
import flash.net.URLRequest;
import flash.events.Event;
public class Mp3Player {
private var sound:Sound;
private var req:URLRequest;
private var context:SoundLoaderContext;
private var channel:SoundChannel;
private var id3:ID3Info;
private var nomeMusica:String;
public function tocarMusica(file) {
sound=new Sound ;
req=new URLRequest(file);
context=new SoundLoaderContext(8000,true);
sound.load(req,context);
channel=sound.play();
trace("A tocar");
sound.addEventListener(Event.ID3,id3Info);
public function id3Info(event:Event):void {
id3=event.target.id3;
nomeMusica=id3.songName;

Palm! Where can I find a fully-functional Pre Plus????

Yes, I've posted this in a sub-topic and now I'm creating a new thread because I've had enough! I once considered myself a big time Palm supporter - but I do not know how much more I can keep my head up with this Pre Plus.
I'm spending WAY too much time at the Verizon store and not enough time with my phone at work. I'm very close to returning everything. I love webos but cannot bear to deal with this palm hardware anymore. The shady construction and poor build quality on ALL of the phones I've received over the past 3 weeks has left me with no confidence anymore in the hardware.
I have had my first phone returned with network problems - the phone would not receive data and the camera on the back was in the lower right corner of the opening - as if someone dropped it. I returned this phone, only to get another phone with keyboard problems and sporadic lockups. Today I just went into the Verizon store to replace the last defective one, only to receive yet another defective one. The left side of the display was seriously discolored. I showed the technician at Verizon and he agreed there was an obvious problem. He then took my phone back a 3rd time, replaced it with another one and it still has a light bleeding/discoloring problem on the left side. It's not as bright as the first one, but it's definitely there. I also see some light issues on the bottom of the screen as well (The discoloration is easily seen when going through interactive tests and displaying the "green" color. The Verizon store was just as frustrated as I was but wouldn't let me get yet another device from their store and told me that this was a feature of the phone. The gentlemen I worked with apologized severely, knowing it was definitely a build quality, but also admitting that he couldn't do anything because the store manager was done giving me more phones. His reaked of embarrassment! I was tired of arguing with them, even KNOWING my first two phones did not have this problem and their floor model didn't either. They even tried to convince me that the floor models are different... whatever! I took the phone and left and now I am dealing with even more issues. (Been working on this phone today for over 8 hours) I cannot get it to sync with my google calendar anymore (despite all the forums suggestions), and icons are being thrown all over my launcher (appearing then disappearing, etc)
I'm really upset that now I paid this much for a phone and I can't even get a good quality unit. I've spent well over 30 hours with defective phones, between driving to the stores, waiting in the stores and testing them on the road. I've fallen WAY behind at work dealing with these issues and having to read all the forums online for fixes to problems for a BRAND NEW PHONE.
Palm - you have a SERIOUS manufacturing problem with your hardware. I won't even go near the GPS problems. I've already accepted the fact that GPS doesn't work on any Pre Plus phones (how sad is that?). I've tested it on all 4 devices I've received, not to mention the 2 additonal floor models in the Verizon stores, and NADA. It either doesn't work at all or it's about 1/2 to 1 mile off.
I'm beginning to think the PLUS in PRE means MORE PROBLEMS.
I just can't keep going back to the stores, this is frustrating!!!!! I only have less than a week before 30 days is up.
I'm not one to complain like this, but I've just about had it.
PALM - WHERE CAN I GET A FULLY FUNCTIONAL PRE PLUS?!?!?!

I sure hope you bought to $7.99 protection plan...

How can I use Seeburger java functions on SAP XI's user defined functions?

Hi All,
As my title implies; how can I use Seeburger java functions on SAP XI's user defined functions? I've tried searching over the net in tutorials regarding this topic but I failed to find one; can someone provide me information regarding my question? thanks very much.
best regards,
Mike

Hi Mike !
You should check your documentation about which java classes you need to reference in the "import" section of your UDF. And also deploy the java classes into the java stack or include them as a imported archive in integration repository...it should be stated in the seeburger documentation.
What kind of functions are you trying to use?
Regards,
Matias.

How can I run a BW Function from EXCEL-IN-PLACE (BPS)??? Please give any ex

How can I run a BW Function from EXCEL-IN-PLACE (BPS)using VBA??? Please give any example.
I would like to run my function module ZMY from EXCEL-IN-PLACE using VBA and get a result.

if you are using excel in place in the web application environment I doubt you can, you've never really had any macro functionalty there.
If you are in the gui environemnt (Planning folders) it will depend on how you want to invoke the module...

Can a Variable represent a Function?

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