What is the reason behind stacktrace being private?

[m0sth8]

According to errors pkg documentation to retrieve the stack trace of an error or wrapper I should try to use interface:

type stackTracer interface { StackTrace() errors.StackTrace }

The stackTracer interface is private. Does it mean, that you don't want it to be an API for errrors library and it can change its behaviour?

[AlekSi]

The same question about Causer. Is it a part of public API? If yes, can this be documented explicitly like:

Any error value which implements this interface (which is considered to be a part of public API)…

[davecheney]

That example is for documentation only. If I could remove the name of the type and leave the example as clear I would have.

If you, the caller, want to assert the type has that behaviour, define an interface or declare one inline and do he type assertion.

[davecheney]

Please send a pr to document causer, this is an oversight. Thanks

[davecheney]

Closed, duplicate of #71

[AlekSi]

But #69 is still open.

[davecheney]

Thanks for bringing that to my attention.

On Tue, Jul 19, 2016 at 7:09 PM, Alexey Palazhchenko <
notifications@github.com> wrote:

But #69 #69 is still open.

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