func (e *Envelope) DeleteHeader(name string) error {
	if name == "" {
		return fmt.Errorf("Provide non-empty header name")
	}

	e.header.Del(name)
	return nil
}
func (e *Envelope) DeleteHeader(name string) error {
	if name == "" {
		return fmt.Errorf("Provide non-empty header name")
	}

	e.header.Del(name)
	return nil
}
func ( e * Envelope ) DeleteHeader ( name string ) error { if name == " " { return fmt . Errorf ( " " ) } e . header . Del ( name ) return nil }
// DeleteHeader deletes given header.
DeleteHeader deletes given header .