5 files changed, 24 insertions, 6 deletions
diff --git a/matrix/matrix.go b/matrix/matrix.go
index b062057..8199449 100644
--- a/matrix/matrix.go
+++ b/matrix/matrix.go
@@ -263,9 +263,10 @@ func (c *Container) processOwnMembershipChange(evt *gomatrix.Event) {
 	if membership == prevMembership {
 		return
 	}
-	if membership == "join" {
+	switch membership {
+	case "join":
 		c.ui.MainView().AddRoom(evt.RoomID)
-	} else if membership == "leave" {
+	case "leave":
 		c.ui.MainView().RemoveRoom(evt.RoomID)
 	}
 }
diff --git a/matrix/pushrules/ruleset.go b/matrix/pushrules/ruleset.go
index b533f94..f3026c8 100644
--- a/matrix/pushrules/ruleset.go
+++ b/matrix/pushrules/ruleset.go
@@ -39,6 +39,14 @@ type rawPushRuleset struct {
 	Underride PushRuleArray `json:"underride"`
 }
 
+// UnmarshalJSON parses JSON into this PushRuleset.
+//
+// For override, sender and underride push rule arrays, the type is added
+// to each PushRule and the array is used as-is.
+//
+// For room and sender push rule arrays, the type is added to each PushRule
+// and the array is converted to a map with the rule ID as the key and the
+// PushRule as the value.
 func (rs *PushRuleset) UnmarshalJSON(raw []byte) (err error) {
 	data := rawPushRuleset{}
 	err = json.Unmarshal(raw, &data)
@@ -54,6 +62,7 @@ func (rs *PushRuleset) UnmarshalJSON(raw []byte) (err error) {
 	return
 }
 
+// MarshalJSON is the reverse of UnmarshalJSON()
 func (rs *PushRuleset) MarshalJSON() ([]byte, error) {
 	data := rawPushRuleset{
 		Override:  rs.Override,
diff --git a/matrix/rooms/member.go b/matrix/rooms/member.go
index 20c994b..8fd84e9 100644
--- a/matrix/rooms/member.go
+++ b/matrix/rooms/member.go
@@ -20,6 +20,7 @@ import (
 	"maunium.net/go/gomatrix"
 )
 
+// Membership is an enum specifying the membership state of a room member.
 type Membership string
 
 // The allowed membership states as specified in spec section 10.5.5.
diff --git a/matrix/rooms/room.go b/matrix/rooms/room.go
index 56614de..c24b6db 100644
--- a/matrix/rooms/room.go
+++ b/matrix/rooms/room.go
@@ -34,17 +34,22 @@ type Room struct {
 	SessionUserID string
 	// MXID -> Member cache calculated from membership events.
 	memberCache map[string]*Member
-	// The first non-SessionUserID member in the room. Calculated at the same time as memberCache.
+	// The first non-SessionUserID member in the room. Calculated at
+	// the same time as memberCache.
 	firstMemberCache string
-	// The name of the room. Calculated from the state event name, canonical_alias or alias or the member cache.
+	// The name of the room. Calculated from the state event name,
+	// canonical_alias or alias or the member cache.
 	nameCache string
 	// The topic of the room. Directly fetched from the m.room.topic state event.
 	topicCache string
 
-	// fetchHistoryLock is used to make sure multiple goroutines don't fetch history for this room at the same time.
+	// fetchHistoryLock is used to make sure multiple goroutines don't fetch
+	// history for this room at the same time.
 	fetchHistoryLock *sync.Mutex
 }
 
+// LockHistory locks the history fetching mutex.
+// If the mutex is nil, it will be created.
 func (room *Room) LockHistory() {
 	if room.fetchHistoryLock == nil {
 		room.fetchHistoryLock = &sync.Mutex{}
@@ -52,6 +57,8 @@ func (room *Room) LockHistory() {
 	room.fetchHistoryLock.Lock()
 }
 
+// UnlockHistory unlocks the history fetching mutex.
+// If the mutex is nil, this does nothing.
 func (room *Room) UnlockHistory() {
 	if room.fetchHistoryLock != nil {
 		room.fetchHistoryLock.Unlock()
diff --git a/matrix/sync.go b/matrix/sync.go
index a5f3b91..f78359c 100644
--- a/matrix/sync.go
+++ b/matrix/sync.go
@@ -49,7 +49,7 @@ func (s *GomuksSyncer) ProcessResponse(res *gomatrix.RespSync, since string) (er
 	if len(since) == 0 {
 		return
 	}
-	// gdebug.Print("Processing sync response", since, res)
+	// debug.Print("Processing sync response", since, res)
 
 	defer func() {
 		if r := recover(); r != nil {