# KeyPath\<T, U?\> required, but I only have KeyPath\<T, U\>

**URL:** <https://forums.swift.org/t/keypath-t-u-required-but-i-only-have-keypath-t-u/15468>\
**Category:** Using Swift\
**Tags:** keypaths, optional\
**Created:** [August 24, 2018, 7:33am UTC](https://forums.swift.org/t/keypath-t-u-required-but-i-only-have-keypath-t-u/15468 "2018-08-24T07:33:56Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![zoul](https://sea2.discourse-cdn.com/swift/user_avatar/forums.swift.org/zoul/32/9559_2.png) [@zoul](https://forums.swift.org/u/zoul)\
**Post date:** [August 24, 2018, 8:33am UTC](https://forums.swift.org/t/keypath-t-u-required-but-i-only-have-keypath-t-u/15468/3 "2018-08-24T08:33:23Z")

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Yes, it would be nice for key paths to play better with other language features, [related thread](https://forums.swift.org/t/key-path-getter-promotion/11185).

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