# ParseError in comprehension when whitespace removed

**URL:** https://discourse.julialang.org/t/parseerror-in-comprehension-when-whitespace-removed/132780
**Category:** General Usage
**Created:** [September 30, 2025, 8:39am UTC](https://discourse.julialang.org/t/parseerror-in-comprehension-when-whitespace-removed/132780 "2025-09-30T08:39:43Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![goerz](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/goerz/32/3269_2.png) [@goerz](https://discourse.julialang.org/u/goerz)
#### Post date: [September 30, 2025, 12:57pm UTC](https://discourse.julialang.org/t/parseerror-in-comprehension-when-whitespace-removed/132780/3 "2025-09-30T12:57:08Z")

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And, as in [Whitespace effects in x+1 - #2 by goerz](https://discourse.julialang.org/t/whitespace-effects-in-x-1/132783/2) : Whenever an element of a Vector or Array is some complex expression, put parentheses around that expression. Always err on the side of more parentheses!

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