# Supporting syntax \`x not in y\` as alias for \`!(x in y)\`

**URL:** <https://discourse.julialang.org/t/supporting-syntax-x-not-in-y-as-alias-for-x-in-y/110146>\
**Category:** Internals & Design\
**Created:** [February 13, 2024, 11:01am UTC](https://discourse.julialang.org/t/supporting-syntax-x-not-in-y-as-alias-for-x-in-y/110146 "2024-02-13T11:01:34Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![CameronBieganek](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/cameronbieganek/32/6915_2.png) [@CameronBieganek](https://discourse.julialang.org/u/CameronBieganek)\
**Post date:** [February 13, 2024, 2:49pm UTC](https://discourse.julialang.org/t/supporting-syntax-x-not-in-y-as-alias-for-x-in-y/110146/7 "2024-02-13T14:49:36Z")

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> [@fingolfin](#):
>
> I don’t view `in` as syntactic sugar for `=`, but rather `=` as a horrible alternative syntax for `in` that is there to appease people coming from certain programming languages – it is IMHO utterly confusing for anyone else

I agree with this.

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_[View the full topic](https://discourse.julialang.org/t/supporting-syntax-x-not-in-y-as-alias-for-x-in-y/110146)._