# \#structarraysjl

**URL:** https://discourse.julialang.org/tag/structarraysjl/919.md

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## [Mutating a StructArray without allocation](https://discourse.julialang.org/t/mutating-a-structarray-without-allocation/121311)

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**Author:** [@prconlin](https://discourse.julialang.org/u/prconlin)\
**Replies:** 5\
**Last updated:** [October 16, 2024, 1:44pm UTC](https://discourse.julialang.org/t/mutating-a-structarray-without-allocation/121311 "2024-10-16T13:44:26Z")

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Hello, I’m trying to use StructArrays.jl as a fast, convenient solution for working with coordinate data. But I’m having difficulty operating on StructArrays in the way I had hoped I could. Here is a MWE of what I’m t…