# \[Pitch\] Non-Escapable Types and Lifetime Dependency

**URL:** <https://forums.swift.org/t/pitch-non-escapable-types-and-lifetime-dependency/69865>\
**Category:** Pitches\
**Created:** [February 6, 2024, 12:52am UTC](https://forums.swift.org/t/pitch-non-escapable-types-and-lifetime-dependency/69865 "2024-02-06T00:52:52Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![ksluder](https://avatars.discourse-cdn.com/v4/letter/k/eada6e/32.png) [@ksluder](https://forums.swift.org/u/ksluder)\
**Post date:** [February 7, 2024, 7:10pm UTC](https://forums.swift.org/t/pitch-non-escapable-types-and-lifetime-dependency/69865/12 "2024-02-07T19:10:01Z")

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This question seems particularly relevant since [named lifetimes have already been effectively pitched](https://forums.swift.org/t/pitch-inheriting-the-callers-actor-isolation/68391) in the form of `#isolation` default arguments.

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