uhh whats a submodule i have never heard of that bro

go-xmpp/stanza/fifo_queue.go

@@ -0,0 +1,34 @@
+package stanza
+
+// FIFO queue for string contents
+// Implementations have no guarantee regarding thread safety !
+type FifoQueue interface {
+	// Pop returns the first inserted element still in queue and deletes it from queue. If queue is empty, returns nil
+	// No guarantee regarding thread safety !
+	Pop() Queueable
+
+	// PopN returns the N first inserted elements still in queue and deletes them from queue. If queue is empty or i<=0, returns nil
+	// If number to pop is greater than queue length, returns all queue elements
+	// No guarantee regarding thread safety !
+	PopN(i int) []Queueable
+
+	// Peek returns a copy of the first inserted element in queue without deleting it. If queue is empty, returns nil
+	// No guarantee regarding thread safety !
+	Peek() Queueable
+
+	// Peek returns a copy of the first inserted element in queue without deleting it. If queue is empty or i<=0, returns nil.
+	// If number to peek is greater than queue length, returns all queue elements
+	// No guarantee regarding thread safety !
+	PeekN() []Queueable
+	// Push adds an element to the queue
+	// No guarantee regarding thread safety !
+	Push(s Queueable) error
+
+	// Empty returns true if queue is empty
+	// No guarantee regarding thread safety !
+	Empty() bool
+}
+
+type Queueable interface {
+	QueueableName() string
+}