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fix error in Stacktrace example

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This commit is contained in:
Dave Cheney 2016-06-11 15:49:40 +10:00
parent a5b220e0c6
commit 297d9e8969
1 changed files with 4 additions and 2 deletions
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README.md
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@ -30,9 +30,11 @@ type Stacktrace interface {
```
The `Frame` type represents a call site in the stacktrace.
`Frame` supports the `fmt.Formatter` interface that can be used for printing information about the stacktrace of this error. For example
```
```go
if err, ok := err.(Stacktrace); ok {
fmt.Printf("%+s:%d", err.Stacktrace())
for _, f := range err.Stacktrace() {
fmt.Printf("%+s:%d", f)
}
}
```
See [the documentation for `Frame.Format`](https://godoc.org/github.com/pkg/errors#Frame_Format) for more details.