replace (
	example.net/deleted v0.1.0 => ./d1
	example.net/deleted v0.2.0 => ./d2
	example.net/lazy v0.1.0 => ./lazy
	example.net/pruned v0.1.0 => ./pruned
)

require (
	example.net/deleted v0.1.0
	example.net/deleted v0.1.0 // redundant
	example.net/lazy v0.1.0
)
-- go.mod.tidy --
module example.com/m

go 1.17

replace (
	example.net/deleted v0.1.0 => ./d1
	example.net/deleted v0.2.0 => ./d2

			return &OpError{Op: "set", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
		}
		if err := setKeepAliveInterval(c.fd, config.Interval); err != nil {
			return &OpError{Op: "set", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
		}
	} else if err := setKeepAliveIdleAndInterval(c.fd, config.Idle, config.Interval); err != nil {
		return &OpError{Op: "set", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}

	math/rand !< net; # net uses runtime instead

	# NET is net plus net-helper packages.
	FMT, net
	< net/textproto;

	mime, net/textproto, net/url
	< NET;

	# logging - most packages should not import; http and up is allowed
	FMT, log/internal
	< log;

	log, log/slog !< crypto/tls, database/sql, go/importer, testing;

	FMT, log, net
	< log/syslog;

	RUNTIME

	if b[2] != 0 {
		return nil, errors.New("non-zero reserved field")
	}
	l := 2
	var a socksAddr
	switch b[3] {
	case socksAddrTypeIPv4:
		l += net.IPv4len
		a.IP = make(net.IP, net.IPv4len)
	case socksAddrTypeIPv6:
		l += net.IPv6len
		a.IP = make(net.IP, net.IPv6len)
	case socksAddrTypeFQDN:
		if _, err := io.ReadFull(c, b[:1]); err != nil {
			return nil, err
		}
		l += int(b[0])
	default:

		wb, skipOrFatalFn := packetConnTestData(t, tt.net)
		if skipOrFatalFn != nil {
			skipOrFatalFn()
			continue
		}

		c1, err := ListenPacket(tt.net, tt.addr1)
		if err != nil {
			t.Fatal(err)
		}
		defer closer(c1, tt.net, tt.addr1, tt.addr2)
		c1.LocalAddr()

		c2, err := ListenPacket(tt.net, tt.addr2)
		if err != nil {
			t.Fatal(err)
		}
		defer closer(c2, tt.net, tt.addr1, tt.addr2)
		c2.LocalAddr()

cp go.mod.orig go.mod
go get example.net/cmd
go list example.net/cmd/x++

# 'go list -m' rejects module paths with pluses.
! go list -versions -m 'example.net/bad++'
stderr '^go: malformed module path "example.net/bad\+\+": invalid char ''\+''$'

# 'go get' accepts package paths with pluses.
cp go.mod.orig go.mod
go get example.net/cmd/x++
go list -m example.net/cmd
stdout '^example.net/cmd v0.0.0-00010101000000-000000000000 => ./cmd$'

	if err != nil {
		err = &OpError{Op: "write", Net: c.fd.net, Source: c.fd.laddr, Addr: addr.opAddr(), Err: err}
	}
	return n, err
}

// WriteTo implements the [PacketConn] WriteTo method.
func (c *UnixConn) WriteTo(b []byte, addr Addr) (int, error) {
	if !c.ok() {
		return 0, syscall.EINVAL
	}
	a, ok := addr.(*UnixAddr)
	if !ok {

golang.org/x/crypto/internal/poly1305
golang.org/x/crypto/sha3
# golang.org/x/net v0.25.1-0.20240603202750-6249541f2a6c
## explicit; go 1.18
golang.org/x/net/dns/dnsmessage
golang.org/x/net/http/httpguts
golang.org/x/net/http/httpproxy
golang.org/x/net/http2/hpack
golang.org/x/net/idna
golang.org/x/net/lif
golang.org/x/net/nettest
golang.org/x/net/route
# golang.org/x/sys v0.21.0
## explicit; go 1.18
golang.org/x/sys/cpu

)

func probeStack() {
	if _, err := RoutedInterface("ip4", net.FlagUp); err == nil {
		ipv4Enabled = true
	}
	if ln, err := net.Listen("tcp4", "127.0.0.1:0"); err == nil {
		ln.Close()
		canListenTCP4OnLoopback = true
	}
	if _, err := RoutedInterface("ip6", net.FlagUp); err == nil {
		ipv6Enabled = true
	}
	if ln, err := net.Listen("tcp6", "[::1]:0"); err == nil {
		ln.Close()
		canListenTCP6OnLoopback = true

			ipBind = "tcp4"
		}
	}
	ln, err := net.Listen(ipBind, net.JoinHostPort(ip, strconv.Itoa(port)))
	if err != nil {
		return nil, 0, err
	}

	port = ln.Addr().(*net.TCPAddr).Port
	return ln, port, nil
}

func listenOnAddressTLS(ip string, port int, cfg *tls.Config) (net.Listener, int, error) {
	ipBind := "tcp"
	parsedIP := net.ParseIP(ip)
	if parsedIP != nil {