}
	if len(addrs) > 1 {
		return nil, errors.New("mail: group with multiple addresses")
	}
	return addrs[0], nil
}

// parseAddress parses a single RFC 5322 address at the start of p.
func (p *addrParser) parseAddress(handleGroup bool) ([]*Address, error) {
	debug.Printf("parseAddress: %q", p.s)
	p.skipSpace()
	if p.empty() {
		return nil, errors.New("mail: no address")
	}

	// address = mailbox / group

		}

		// Check round-trip.
		if test.addr.Address != "" && test.addr.Address != "@" {
			a, err := ParseAddress(test.exp)
			if err != nil {
				t.Errorf("ParseAddress(%#q): %v", test.exp, err)
				continue
			}
			if a.Name != test.addr.Name || a.Address != test.addr.Address {
				t.Errorf("ParseAddress(%#q) = %#v, want %#v", test.exp, a, test.addr)
			}
		}
	}
}

		fmt.Println(v.Name, v.Address)
	}

	// Output:
	// Alice ******@****.***
	// Bob ******@****.***
	// Eve ******@****.***
}

func ExampleParseAddress() {
	e, err := mail.ParseAddress("Alice <******@****.***>")
	if err != nil {
		log.Fatal(err)
	}

	fmt.Println(e.Name, e.Address)

	// Output:
	// Alice ******@****.***
}

func ExampleReadMessage() {

)

var supportedFormats = sets.NewString(
	"bsonobjectid", // bson object ID
	"uri",          // an URI as parsed by Golang net/url.ParseRequestURI
	"email",        // an email address as parsed by Golang net/mail.ParseAddress
	"hostname",     // a valid representation for an Internet host name, as defined by RFC 1034, section 3.1 [RFC1034].
	"ipv4",         // an IPv4 IP as parsed by Golang net.ParseIP

	//
	// - bsonobjectid: a bson object ID, i.e. a 24 characters hex string
	// - uri: an URI as parsed by Golang net/url.ParseRequestURI
	// - email: an email address as parsed by Golang net/mail.ParseAddress
	// - hostname: a valid representation for an Internet host name, as defined by RFC 1034, section 3.1 [RFC1034].
	// - ipv4: an IPv4 IP as parsed by Golang net.ParseIP
	// - ipv6: an IPv6 IP as parsed by Golang net.ParseIP

	//
	// - bsonobjectid: a bson object ID, i.e. a 24 characters hex string
	// - uri: an URI as parsed by Golang net/url.ParseRequestURI
	// - email: an email address as parsed by Golang net/mail.ParseAddress
	// - hostname: a valid representation for an Internet host name, as defined by RFC 1034, section 3.1 [RFC1034].
	// - ipv4: an IPv4 IP as parsed by Golang net.ParseIP
	// - ipv6: an IPv6 IP as parsed by Golang net.ParseIP

  //
  // - bsonobjectid: a bson object ID, i.e. a 24 characters hex string
  // - uri: an URI as parsed by Golang net/url.ParseRequestURI
  // - email: an email address as parsed by Golang net/mail.ParseAddress
  // - hostname: a valid representation for an Internet host name, as defined by RFC 1034, section 3.1 [RFC1034].
  // - ipv4: an IPv4 IP as parsed by Golang net.ParseIP
  // - ipv6: an IPv6 IP as parsed by Golang net.ParseIP

  //
  // - bsonobjectid: a bson object ID, i.e. a 24 characters hex string
  // - uri: an URI as parsed by Golang net/url.ParseRequestURI
  // - email: an email address as parsed by Golang net/mail.ParseAddress
  // - hostname: a valid representation for an Internet host name, as defined by RFC 1034, section 3.1 [RFC1034].
  // - ipv4: an IPv4 IP as parsed by Golang net.ParseIP
  // - ipv6: an IPv6 IP as parsed by Golang net.ParseIP

Unknown formats are ignored. The following formats are validated:\n\n- bsonobjectid: a bson object ID, i.e. a 24 characters hex string - uri: an URI as parsed by Golang net/url.ParseRequestURI - email: an email address as parsed by Golang net/mail.ParseAddress - hostname: a valid representation for an Internet host name, as defined by RFC 1034, section 3.1 [RFC1034]. - ipv4: an IPv4 IP as parsed by Golang net.ParseIP - ipv6: an IPv6 IP as parsed by Golang net.ParseIP - cidr: a CIDR as parsed by Golang...

Unknown formats are ignored. The following formats are validated:\n\n- bsonobjectid: a bson object ID, i.e. a 24 characters hex string - uri: an URI as parsed by Golang net/url.ParseRequestURI - email: an email address as parsed by Golang net/mail.ParseAddress - hostname: a valid representation for an Internet host name, as defined by RFC 1034, section 3.1 [RFC1034]. - ipv4: an IPv4 IP as parsed by Golang net.ParseIP - ipv6: an IPv6 IP as parsed by Golang net.ParseIP - cidr: a CIDR as parsed by Golang...