# Immutable declaration

**URL:** https://fortran-lang.discourse.group/t/immutable-declaration/2923
**Category:** Language enhancement
**Created:** [March 9, 2022, 2:53pm UTC](https://fortran-lang.discourse.group/t/immutable-declaration/2923 "2022-03-09T14:53:19Z")
**Posts on this page:** 1
**Showing post:** 14

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### Author: ![wclodius](https://avatars.discourse-cdn.com/v4/letter/w/87869e/32.png) [@wclodius](https://fortran-lang.discourse.group/u/wclodius)
#### Post date: [March 12, 2022, 1:33pm UTC](https://fortran-lang.discourse.group/t/immutable-declaration/2923/14 "2022-03-12T13:33:40Z")

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FWIW the Eiffel language has the ONCE attribute for variables like that.

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