tree 383db5fc0d0e2360adbc0eceec7d0b46ce500b19
parent 11cf6653495d15eba08e228fc56695e56fe549e5
author Wyatt Hepler <hepler@pigweed.infra.roller.google.com> 1791009435 -0700
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> 1791009435 -0700

roll: third_party/pigweed pw_status: Introduce StatusBase and rework Status

StatusBase is a zero-cost CRTP status base class used to define
Status-like objects with custom status codes. A designated code value
represents success (ok()).

This enables richer, domain-specific status semantics while preserving
standard Pigweed error handling conventions, including PW_TRY,
PW_CHECK_OK, and PW_ASSERT_OK.

Custom status types can be defined using the PW_STATUS_TYPE macro or by
subclassing StatusBase directly with CRTP. Custom status types are
constructed from their Code.

pw::Status is reworked to be a concrete final class that inherits from
StatusBase<Status, PW_STATUS_OK>, retaining all canonical helper methods
and implicit pw_Status interop. PW_TRY and PW_CHECK_OK continue to
accept types implicitly convertible to pw::Status.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/477645
Original-Revision: a5c9e6615472b16e8ee961fbe883505a31a2634a

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 1e94d08be07c45..a5c9e6615472b1
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8668984824198733809
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Icbe1134da6c84769da3955f630a09aace4318b6a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/493451