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Updated ErrorValueFAQ (markdown)

Jonathan Amsterdam 2019-03-12 14:32:03 -04:00
parent a7860759db
commit ab6ed5dd7c
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ErrorValueFAQ.md

@ -28,7 +28,7 @@ You need to be prepared that errors you get may be wrapped.
``` ```
if e := &os.PathError{}; xerrors.As(err, &e) if e := &os.PathError{}; xerrors.As(err, &e)
``` ```
- Also use this pattern to check whether an error implements an interface. - Also use this pattern to check whether an error implements an interface. (This is one of those rare cases when a pointer to an interface is appropriate.)
- Rewrite a type switch as a sequence of if-elses. - Rewrite a type switch as a sequence of if-elses.
## What formatting verb should I use to display errors? ## What formatting verb should I use to display errors?