Generally, I would argue that the grpc package maintainers should, at some
point, support native wrapping of errors.
In the meantime, they are providing this package:
https://pkg.go.dev/google.golang.org/grpc/status
It predates (by a long time) the errors.Is APIs, which is why I assume they
haven't yet implemented support
On Sat, May 15, 2021 at 1:47 PM cpu...@gmail.com <cpui...@gmail.com> wrote:
> In my local code, I'm using things like
>
> if errors.Is(err, api.ErrMustRetry) { ... }
>
> How would I achieve the same on errors returned by the gRCP interface?
> I've noticed these are wrapped:
>
> rpc error: code = Unknown desc = must retry rpc error: code = Unknown desc
> = must retry
>
> I assume the errors package won't work here as type information is not
> carried across gRPC: What is the best practice here: unwrap the root error
> from the RPC result (how) and perform string comparison?
>
> Thanks,
> Andreas
>
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