Function Wrapf

errors/errors.go:74–79

Wrapf is like Wrap, but arguments are handled as in fmt.Printf.

(err error, format string, a ...interface{})

// Wrapf is like Wrap, but arguments are handled as in fmt.Printf.
func Wrapf(err error, format string, a ...interface{}) error {
	if err == nil {
		return nil
	}
	return wrap(err, fmt.Sprintf(format, a...), 1)
}

// WithDetail returns a new error that wraps
// err as a chain error messsage containing text