# Pitch: didSet Semantics

**URL:** <https://forums.swift.org/t/pitch-didset-semantics/27858>\
**Category:** Pitches\
**Tags:** observer, didset, property\
**Created:** [August 13, 2019, 6:17pm UTC](https://forums.swift.org/t/pitch-didset-semantics/27858 "2019-08-13T18:17:10Z")\
**Posts on this page:** 1\
**Showing post:** 79

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**Author:** ![John\_McCall](https://sea2.discourse-cdn.com/swift/user_avatar/forums.swift.org/john_mccall/32/1351_2.png) [@John\_McCall](https://forums.swift.org/u/John_McCall)\
**Post date:** [August 29, 2019, 3:07pm UTC](https://forums.swift.org/t/pitch-didset-semantics/27858/79 "2019-08-29T15:07:33Z")

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I don’t see how that achieves anything.

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_[View the full topic](https://forums.swift.org/t/pitch-didset-semantics/27858)._