---
title: "Comment by Sy Hung Doan on \"Code Smell 22 - Helpers\" | Hashnode"
description: "Hi, just stumbled across this post. A question came to mind after I read this post. Why not just single functions, instead of creating new instances?"
url: "https://hashnode.com/posts/code-smell-22-helpers/5facb262fa438d6532c7d74c/comment/5fad3646fa438d6532c7e0fd"
---

[Discussion](https://hashnode.com/posts/code-smell-22-helpers/5facb262fa438d6532c7d74c)

Comment [Code Smell 22 - Helpers](https://hashnode.com/posts/code-smell-22-helpers/5facb262fa438d6532c7d74c)

[Sy Hung Doan](https://hashnode.com/@hungdoansy)

[Nov 12, 2020](https://hashnode.com/posts/code-smell-22-helpers/5facb262fa438d6532c7d74c/comment/5fad3646fa438d6532c7e0fd)

Hi, just stumbled across this post. A question came to mind after I read this post.

Why not just single functions, instead of creating new instances?

[Maxi Contieri](https://hashnode.com/@mcsee)

[Nov 12, 2020](https://hashnode.com/posts/code-smell-22-helpers/5facb262fa438d6532c7d74c/comment/5fad3646fa438d6532c7e0fd#reply-5fad43c7fa438d6532c7e259)

Hy [Sy Hung Doan](https://hashnode.com/@dshung1997). Thanks for asking.

That would be another smell

[mcsee.hashnode.dev/code-smell-21-anonymous-functi…](https://mcsee.hashnode.dev/code-smell-21-anonymous-functions-abusers)

Single functions are harder to unit test, to read, to reuse and to compose. They may be the first option, but once system gets serious they should be reified

[Sy Hung Doan](https://hashnode.com/@hungdoansy)

[Nov 13, 2020](https://hashnode.com/posts/code-smell-22-helpers/5facb262fa438d6532c7d74c/comment/5fad3646fa438d6532c7e0fd#reply-5faddfc98f0a0265534794bc)

Hi [Maxi Contieri](https://hashnode.com/@mcsee), Thanks for the prompt response. However, I am still on the fence. In my current project (React & Redux), we exclusively use (anonymous) functions as they are small and writing unit tests are just a breeze. I just feel like they've been convenient enough.

The code is well maintained from time to time, but no one talked about switching to use Class helpers.

I doubt if it's just a matter of preference or the scope of the projects. Mind if I ask for some more examples for the Problems you mentioned in the Code-smell-21? I'd be very glad to have a better view and understanding.

[Maxi Contieri](https://hashnode.com/@mcsee)

[Nov 13, 2020](https://hashnode.com/posts/code-smell-22-helpers/5facb262fa438d6532c7d74c/comment/5fad3646fa438d6532c7e0fd#reply-5fadeee5fa438d6532c7eac2)

hi [Sy Hung Doan](https://hashnode.com/@dshung1997)

Some quick questions

-   How many functions are?
    
-   How large is the team?
    
-   How do you unit test it?
    
-   Do you have good coding names?
    

Can you embed an example?