# Understanding while loop UndedVarError and scope

**URL:** https://discourse.julialang.org/t/understanding-while-loop-undedvarerror-and-scope/16609
**Category:** General Usage
**Created:** [October 21, 2018, 7:07pm UTC](https://discourse.julialang.org/t/understanding-while-loop-undedvarerror-and-scope/16609 "2018-10-21T19:07:41Z")
**Posts on this page:** 1
**Showing post:** 12

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### Author: ![Sukera](https://avatars.discourse-cdn.com/v4/letter/s/ce7236/32.png) [@Sukera](https://discourse.julialang.org/u/Sukera)
#### Post date: [October 22, 2018, 6:18pm UTC](https://discourse.julialang.org/t/understanding-while-loop-undedvarerror-and-scope/16609/12 "2018-10-22T18:18:02Z")

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> [@Vic](#):
>
> I still hold 1st opinion though, quite strongly. I will probably elaborate in another post, in “Development” section.

I think you’re going to find [this](https://discourse.julialang.org/t/another-possible-solution-to-the-global-scope-debacle/15894) very helpful in your research. There’s no need for duplication of that topic.

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