# How can I implement a {mutable}span property for my inline storage type?

**URL:** <https://forums.swift.org/t/how-can-i-implement-a-mutable-span-property-for-my-inline-storage-type/89499>\
**Category:** Using Swift\
**Tags:** span\
**Created:** [September 12, 2026, 12:43pm UTC](https://forums.swift.org/t/how-can-i-implement-a-mutable-span-property-for-my-inline-storage-type/89499 "2026-09-12T12:43:54Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![atifdev10](https://sea2.discourse-cdn.com/swift/user_avatar/forums.swift.org/atifdev10/32/44025_2.png) [@atifdev10](https://forums.swift.org/u/atifdev10)\
**Post date:** [September 12, 2026, 12:50pm UTC](https://forums.swift.org/t/how-can-i-implement-a-mutable-span-property-for-my-inline-storage-type/89499/2 "2026-09-12T12:50:50Z")

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A [post](https://forums.swift.org/t/requirements-for-ip-address-and-port-apis/88514/32) was just posted before me that explains it. Omg, the timing 😭.

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