# Why there is no in-place \`map!\` on arrays?

**URL:** <https://discourse.julialang.org/t/why-there-is-no-in-place-map-on-arrays/87956>\
**Category:** Internals & Design\
**Tags:** map\
**Created:** [September 29, 2022, 1:34am UTC](https://discourse.julialang.org/t/why-there-is-no-in-place-map-on-arrays/87956 "2022-09-29T01:34:55Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![singularitti](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/singularitti/32/17678_2.png) [@singularitti](https://discourse.julialang.org/u/singularitti)\
**Post date:** [September 29, 2022, 1:56am UTC](https://discourse.julialang.org/t/why-there-is-no-in-place-map-on-arrays/87956/9 "2022-09-29T01:56:48Z")

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[Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp) suggested [`mapinto!`](https://discourse.julialang.org/t/in-place-map/47464/4). I think it is better.

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