Comments (3)
@davecheney Maybe it's worth to reconsider this now? It may be very useful to provide Unwrap() compatible with stdlib's errors, to make it easier to migrate existing codebase from pkg/errors to stdlib's errors or use both in parallel.
I mean, I'd like to replace errors.Cause()
with errors.Is()
in existing code, but this require pkg/errors to support Unwrap().
from errors.
I'm going to close this as I think it's going in the wrong direction.
The original design of this errors package mirror'd Juju's which requires callers to manually wrap each level of error return to record a stack trace. Apart from this being incomplete and verbose, on reflection I think the natural stack trace recorded at the point the error happens is probably good enough (tm) for most use cases. In the cases where they are not, errors.Wrap allows the caller to add additional context to the error path.
In either cases the printing of this stack detail, including the nested stacks now possible since #27 makes this method less useful.
from errors.
Related proposed solution: #144
from errors.
Related Issues (20)
- Proposal: add errors.Is and errors.As
- RFC: Allow custom StackTraces
- func Is() does not works with errors.Wrap or errors.Wrapf HOT 3
- Cause() behavior has changed HOT 11
- respect -trimpath build flag HOT 3
- Unwrap doesn't return the base error HOT 7
- Questions about extending annotations HOT 5
- undefined errors.Wrap HOT 2
- How to change format return wrapped error message HOT 2
- Stacktrace don't print all stack HOT 6
- errors.Wrap() created bugs in our codebase. HOT 3
- StackTrace.Format with "%+v" includes a leading newline HOT 1
- A new error caused by another error HOT 7
- Demo
- Change Wrap() to return an error even if we provide nil HOT 3
- return *stack instead of stack HOT 2
- Wrap() duplicates call stack HOT 6
- Elegant way to check error is wrapped HOT 4
- `Errorf` should be able to wrap errors HOT 4
- Package errors looking for new maintainers HOT 4
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from errors.