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- package multierror
-
- // Append is a helper function that will append more errors
- // onto an Error in order to create a larger multi-error.
- //
- // If err is not a multierror.Error, then it will be turned into
- // one. If any of the errs are multierr.Error, they will be flattened
- // one level into err.
- func Append(err error, errs ...error) *Error {
- switch err := err.(type) {
- case *Error:
- // Typed nils can reach here, so initialize if we are nil
- if err == nil {
- err = new(Error)
- }
-
- // Go through each error and flatten
- for _, e := range errs {
- switch e := e.(type) {
- case *Error:
- if e != nil {
- err.Errors = append(err.Errors, e.Errors...)
- }
- default:
- if e != nil {
- err.Errors = append(err.Errors, e)
- }
- }
- }
-
- return err
- default:
- newErrs := make([]error, 0, len(errs)+1)
- if err != nil {
- newErrs = append(newErrs, err)
- }
- newErrs = append(newErrs, errs...)
-
- return Append(&Error{}, newErrs...)
- }
- }
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