Use append built-in instead of custom function

example/Makefile

@@ -1,26 +1,13 @@
-all: $(GOARCH)
+include $(GOROOT)/src/Make.inc
 
-clean: clean_$(GOARCH)
-	rm test
+OBJS := $(patsubst %.go,%.$O,$(wildcard *.go))
+OUT := $(patsubst %.$O,%,$(OBJS))
 
-386:	
-	8g test.go
-	8l -o test test.8
+all: $(OBJS)
 
-amd64:
-	6g test.go
-	6l -o test test.6
-
-arm:
-	5g test.go
-	5l -o test test.5
-
-clean_amd64:
-	rm *.6
-
-clean_386:
-	rm *.8
-
-clean_arm:
-	rm *.5
+%.$O: %.go
+	$(GC) $<
+	$(LD) -o $(patsubst %.$O,%,$@) $@
 
+clean:
+	rm -f *.$O $(OBJS) $(OUT)

irc.go

@@ -59,7 +59,7 @@ func reader(irc *IRCConnection) {
 }
 
 func writer(irc *IRCConnection) {
-	for !error {
+	for !error && !closed(irc.pwrite) {
 		b := []byte(<-irc.pwrite)
 		if b == nil || irc.socket == nil {
 			break
@@ -76,24 +76,40 @@ func writer(irc *IRCConnection) {
 
 //Pings the server if we have not recived any messages for 5 minutes
 func pinger(i *IRCConnection) {
-	i.ticker = time.Tick(1000 * 1000 * 1000 * 60 * 4)   //Every 4 minutes
-	i.ticker2 = time.Tick(1000 * 1000 * 1000 * 60 * 15) //Every 15 minutes
+	i.ticker = time.Tick(1000 * 1000 * 1000 * 60 * 1)   //Tick every minute.
+	i.ticker2 = time.Tick(1000 * 1000 * 1000 * 60 * 15) //Tick every 15 minutes.
 	for {
 		select {
 		case <-i.ticker:
-			if time.Seconds()-i.lastMessage > 60*4 {
+			//Ping if we haven't recived anything from the server within 4 minutes
+			if time.Seconds()-i.lastMessage >= 60*4 {
 				i.SendRaw(fmt.Sprintf("PING %d", time.Nanoseconds()))
 			}
 		case <-i.ticker2:
+			//Ping every 15 minutes.
 			i.SendRaw(fmt.Sprintf("PING %d", time.Nanoseconds()))
 		}
 	}
 }
 
+func (irc *IRCConnection) Cycle() {
+	irc.SendRaw("QUIT")
+	irc.Reconnect()
+}
+
+func (irc *IRCConnection) Quit() {
+	irc.quitting = true
+	irc.SendRaw("QUIT")
+}
+
 func (irc *IRCConnection) Join(channel string) {
 	irc.pwrite <- fmt.Sprintf("JOIN %s\r\n", channel)
 }
 
+func (irc *IRCConnection) Part(channel string) {
+	irc.pwrite <- fmt.Sprintf("PART %s\r\n", channel)
+}
+
 func (irc *IRCConnection) Notice(target, message string) {
 	irc.pwrite <- fmt.Sprintf("NOTICE %s :%s\r\n", target, message)
 }
@@ -131,12 +147,19 @@ func (i *IRCConnection) Reconnect() os.Error {
 }
 
 func (i *IRCConnection) Loop() {
-	for {
+	for !i.quitting {
 		e := <-i.Error
+		if i.quitting {
+			break
+		}
 		fmt.Printf("Error: %s\n", e)
 		error = true
 		i.Reconnect()
 	}
+	close(i.pwrite)
+	close(i.pread)
+	<-i.syncreader
+	<-i.syncwriter
 }
 
 func (i *IRCConnection) Connect(server string) os.Error {

irc_callback.go

@@ -7,30 +7,13 @@ import (
 	"strconv"
 )
 
-func AppendCallback(slice, data []func(*IRCEvent)) []func(*IRCEvent) {
-	l := len(slice)
-	if l+len(data) > cap(slice) {
-		newSlice := make([]func(*IRCEvent), (l+len(data))*2)
-		copy(newSlice, slice)
-		slice = newSlice
-	}
-	slice = slice[0 : l+len(data)]
-	for i, c := range data {
-		slice[l+i] = c
-	}
-	return slice
-}
-
 func (irc *IRCConnection) AddCallback(eventcode string, callback func(*IRCEvent)) {
 	eventcode = strings.ToUpper(eventcode)
-	if event, ok := irc.events[eventcode]; ok {
-		newevent := make([]func(*IRCEvent), 1)
-		newevent[0] = callback
-		irc.events[eventcode] = AppendCallback(event, newevent)
+	if _, ok := irc.events[eventcode]; ok {
+		irc.events[eventcode] = append(irc.events[eventcode], callback)
 	} else {
-		event = make([]func(*IRCEvent), 1)
-		event[0] = callback
-		irc.events[eventcode] = event
+		irc.events[eventcode] = make([]func(*IRCEvent), 1)
+		irc.events[eventcode][0] = callback
 	}
 }
 

irc_struct.go

@@ -10,21 +10,22 @@ import (
 )
 
 type IRCConnection struct {
-	socket        net.Conn
-	pread, pwrite chan string
-	Error         chan os.Error
+	socket                 net.Conn
+	pread, pwrite          chan string
+	Error                  chan os.Error
 	syncreader, syncwriter chan bool
-	nick          string
-	user          string
-	registered    bool
-	server        string
-	Password      string
-	
-	events map[string][]func(*IRCEvent)
+	nick                   string
+	user                   string
+	registered             bool
+	server                 string
+	Password               string
+	events                 map[string][]func(*IRCEvent)
 
 	lastMessage int64
 	ticker      <-chan int64
 	ticker2     <-chan int64
+
+	quitting bool
 }
 
 type IRCEvent struct {