gofix weekly fixes for state.

state/channel.go

@@ -125,8 +125,8 @@ func (ch *Channel) addNick(nk *Nick, cp *ChanPrivs) {
 // Disassociates a Nick from a Channel.
 func (ch *Channel) delNick(nk *Nick) {
 	if _, ok := ch.nicks[nk]; ok {
-		ch.nicks[nk] = nil, false
-		ch.lookup[nk.Nick] = nil, false
+		delete(ch.nicks, nk)
+		delete(ch.lookup, nk.Nick)
 	} else {
 		ch.l.Warn("Channel.delNick(): %s not on %s.", nk.Nick, ch.Name)
 	}

state/nick.go

@@ -78,8 +78,8 @@ func (nk *Nick) addChannel(ch *Channel, cp *ChanPrivs) {
 // Disassociates a Channel from a Nick.
 func (nk *Nick) delChannel(ch *Channel) {
 	if _, ok := nk.chans[ch]; ok {
-		nk.chans[ch] = nil, false
-		nk.lookup[ch.Name] = nil, false
+		delete(nk.chans, ch)
+		delete(nk.lookup, ch.Name)
 	} else {
 		nk.l.Warn("Nick.delChannel(): %s not on %s.", nk.Nick, ch.Name)
 	}

state/tracker.go

@@ -88,12 +88,12 @@ func (st *stateTracker) ReNick(old, neu string) {
 	if nk, ok := st.nicks[old]; ok {
 		if _, ok := st.nicks[neu]; !ok {
 			nk.Nick = neu
-			st.nicks[old] = nil, false
+			delete(st.nicks, old)
 			st.nicks[neu] = nk
 			for ch, _ := range nk.chans {
 				// We also need to update the lookup maps of all the channels
 				// the nick is on, to keep things in sync.
-				ch.lookup[old] = nil, false
+				delete(ch.lookup, old)
 				ch.lookup[neu] = nk
 			}
 		} else {
@@ -123,7 +123,7 @@ func (st *stateTracker) delNick(nk *Nick) {
 		st.l.Error("StateTracker.DelNick(): TRYING TO DELETE ME :-(")
 		return
 	}
-	st.nicks[nk.Nick] = nil, false
+	delete(st.nicks, nk.Nick)
 	for ch, _ := range nk.chans {
 		nk.delChannel(ch)
 		ch.delNick(nk)
@@ -165,7 +165,7 @@ func (st *stateTracker) DelChannel(c string) {
 }
 
 func (st *stateTracker) delChannel(ch *Channel) {
-	st.chans[ch.Name] = nil, false
+	delete(st.chans, ch.Name)
 	for nk, _ := range ch.nicks {
 		ch.delNick(nk)
 		nk.delChannel(ch)