Source: flatten.go in package github.com/hashicorp/go-multierror

Source File
	flatten.go

Belonging Package
	github.com/hashicorp/go-multierror

package multierror

Flatten flattens the given error, merging any *Errors together into a single *Error.

If it isn't an *Error, just return the error as-is

	if _, ok := err.(*Error); !ok {
		return err
	}

Otherwise, make the result and flatten away!

	flatErr := new(Error)
	flatten(err, flatErr)
	return flatErr
}

func flatten(err error, flatErr *Error) {
	switch err := err.(type) {
	case *Error:
		for _, e := range err.Errors {
			flatten(e, flatErr)
		}
	default:
		flatErr.Errors = append(flatErr.Errors, err)
	}


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