Remove multierr dependency

Keeps the package at 0 dependencies

conn.go

@@ -12,7 +12,6 @@ import (
 	"time"
 
 	"github.com/pion/logging"
-	"go.uber.org/multierr"
 	"golang.org/x/net/dns/dnsmessage"
 	"golang.org/x/net/ipv4"
 	"golang.org/x/net/ipv6"
@@ -67,6 +66,7 @@ var (
 	errNoPositiveMTUFound = errors.New("no positive MTU found")
 	errNoPacketConn       = errors.New("must supply at least a multicast IPv4 or IPv6 PacketConn")
 	errNoUsableInterfaces = errors.New("no usable interfaces found for mDNS")
+	errFailedToClose      = errors.New("failed to close mDNS Conn")
 )
 
 type netInterface struct {
@@ -342,36 +342,41 @@ func (c *Conn) Close() error {
 	}
 
 	// Once on go1.20, can use errors.Join
-	var errs error
+	var errs []error
 	if c.multicastPktConnV4 != nil {
 		if err := c.multicastPktConnV4.Close(); err != nil {
-			errs = multierr.Combine(errs, err)
+			errs = append(errs, err)
 		}
 	}
 
 	if c.multicastPktConnV6 != nil {
 		if err := c.multicastPktConnV6.Close(); err != nil {
-			errs = multierr.Combine(errs, err)
+			errs = append(errs, err)
 		}
 	}
 
 	if c.unicastPktConnV4 != nil {
 		if err := c.unicastPktConnV4.Close(); err != nil {
-			errs = multierr.Combine(errs, err)
+			errs = append(errs, err)
 		}
 	}
 
 	if c.unicastPktConnV6 != nil {
 		if err := c.unicastPktConnV6.Close(); err != nil {
-			errs = multierr.Combine(errs, err)
+			errs = append(errs, err)
 		}
 	}
-	if errs != nil {
-		return errs
+
+	if len(errs) == 0 {
+		<-c.closed
+		return nil
 	}
 
-	<-c.closed
-	return nil
+	rtrn := errFailedToClose
+	for _, err := range errs {
+		rtrn = fmt.Errorf("%w\n%s", err, rtrn.Error())
+	}
+	return rtrn
 }
 
 // Query sends mDNS Queries for the following name until

go.mod

@@ -5,7 +5,6 @@ go 1.19
 require (
 	github.com/pion/logging v0.2.2
 	github.com/pion/transport/v3 v3.0.1
-	go.uber.org/multierr v1.11.0
 	golang.org/x/net v0.20.0
 )
 

go.sum

@@ -1,22 +1,17 @@
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pion/logging v0.2.2 h1:M9+AIj/+pxNsDfAT64+MAVgJO0rsyLnoJKCqf//DoeY=
 github.com/pion/logging v0.2.2/go.mod h1:k0/tDVsRCX2Mb2ZEmTqNa7CWsQPc+YYCB7Q+5pahoms=
 github.com/pion/transport/v3 v3.0.1 h1:gDTlPJwROfSfz6QfSi0ZmeCSkFcnWWiiR9ES0ouANiM=
 github.com/pion/transport/v3 v3.0.1/go.mod h1:UY7kiITrlMv7/IKgd5eTUcaahZx5oUN3l9SzK5f5xE0=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
-go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.12.0/go.mod h1:NF0Gs7EO5K4qLn+Ylc+fih8BSTeIjAP05siRnAh98yw=
@@ -61,5 +56,4 @@ golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=