# \#symbols

**URL:** https://discourse.julialang.org/tag/symbols/1789.md

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## [How to not import Base.isopen](https://discourse.julialang.org/t/how-to-not-import-base-isopen/128766)

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**Author:** [@GHTaarn](https://discourse.julialang.org/u/GHTaarn)\
**Replies:** 12\
**Last updated:** [May 18, 2025, 6:04pm UTC](https://discourse.julialang.org/t/how-to-not-import-base-isopen/128766 "2025-05-18T18:04:45Z")

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I would like to write my own isopen function and therefore not import Base.isopen. I have thought of two ways to do this: module MyModule function isopen end # Lots of code... include("file\_that\_defines\_isopen.jl") en…