[roll] Roll fuchsia [explicit] Add doc example for UnreachableExt

Add an example for how to use the UnreachableExt trait to implement a
trait for an uninstantiable type.

Also fix a missing doc reference to core::task::Poll.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/901859
Original-Revision: fad8850270f6f722d81ae688ee80c88b5022b9c7
GitOrigin-RevId: 5872b1537188caf5d47d303e89743c24126f6f35
Change-Id: Ib561412b72194552efffdbcfea38210b509544b0
1 file changed
tree: f8af3cf167556f52af1c293b1f5244b13f59e88f
  1. git-hooks/
  2. infra/
  3. third_party/
  4. cts
  5. firmware
  6. flower
  7. jiri.lock
  8. MILESTONE
  9. minimal
  10. prebuilts
  11. README.md
  12. stem
  13. test_durations
  14. toolchain
README.md

Integration

This repository contains Fuchsia's Global Integration manifest files.

Making changes

All changes should be made to the internal version of this repository. Our infrastructure automatically updates this version when the internal one changes.

Currently all changes must be made by a Google employee. Non-Google employees wishing to make a change can ask for assistance via the IRC channel #fuchsia on Freenode.

Obtaining the source

First install Jiri.

Next run:

$ jiri init
$ jiri import minimal https://fuchsia.googlesource.com/integration
$ jiri update

Third party

Third party projects should have their own subdirectory in ./third_party.