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package main
import (
"errors"
"fmt"
pkgerrors "github.com/pkg/errors"
)
// :show start
func wrappedError() error {
err := errors.New("Original error")
// create a new error value which wraps original err and
// adds calls tack
return pkgerrors.WithStack(err)
}
func main() {
// %+v prints original error add callstack
fmt.Printf("err: %+v\n\n", wrappedError())
// errors created with pkg/errors include callstack by default
fmt.Printf("err: %+v\n", pkgerrors.New("error created with pkg/errors"))
}
// :show end