# Nested split-map-join, preferred style

**URL:** <https://racket.discourse.group/t/nested-split-map-join-preferred-style/2809>\
**Category:** Questions & Answers\
**Created:** [March 19, 2024, 5:38pm UTC](https://racket.discourse.group/t/nested-split-map-join-preferred-style/2809 "2024-03-19T17:38:46Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![shawnw](https://yyz2.discourse-cdn.com/free1/user_avatar/racket.discourse.group/shawnw/32/1031_2.png) [@shawnw](https://racket.discourse.group/u/shawnw)\
**Post date:** [March 20, 2024, 6:10am UTC](https://racket.discourse.group/t/nested-split-map-join-preferred-style/2809/6 "2024-03-20T06:10:05Z")

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> [@Tyrn](#):
>
> What are `#;` tokens?

Comments out the next s-expression/datum that's read. See [1.3&nbsp;The Reader](https://docs.racket-lang.org/reference/reader.html#%28part._parse-comment%29)

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