[zbitl] Use std::optional instead of fitx::result for storage_error

fitx::result is not meant for storing values.

Change-Id: Id723d7add8eea3d54b04f8ad7de558e3a133a2e0
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/412743
Commit-Queue: Roland McGrath <mcgrathr@google.com>
Reviewed-by: Corey Tabaka <eieio@google.com>
Reviewed-by: Joshua Seaton <joshuaseaton@google.com>
Testability-Review: Corey Tabaka <eieio@google.com>
4 files changed
tree: a68bfc5664323815f539aca5bc636c2808a82d0e
  1. boards/
  2. build/
  3. bundles/
  4. cts/
  5. docs/
  6. examples/
  7. garnet/
  8. products/
  9. scripts/
  10. sdk/
  11. src/
  12. third_party/
  13. tools/
  14. zircon/
  15. .clang-format
  16. .clang-tidy
  17. .gitattributes
  18. .gitignore
  19. .gn
  20. .style.yapf
  21. AUTHORS
  22. BUILD.gn
  23. CODE_OF_CONDUCT.md
  24. CONTRIBUTING.md
  25. LICENSE
  26. OWNERS
  27. PATENTS
  28. README.md
  29. rustfmt.toml
README.md

Fuchsia

Pink + Purple == Fuchsia (a new operating system)

What is Fuchsia?

Fuchsia is a modular, capability-based operating system. Fuchsia runs on modern 64-bit Intel and ARM processors.

Fuchsia is an open source project with a code of conduct that we expect everyone who interacts with the project to respect.

How can I build and run Fuchsia?

See Getting Started.

Where can I learn more about Fuchsia?

See fuchsia.dev.