Add Queue#push and Queue#pop for compatibility with ::Queue.

lib/async/queue.rb

@@ -38,12 +38,15 @@ def empty?
 		end
 
 		# Add an item to the queue.
-		def <<(item)
+		def push(item)
 			@items << item
 
 			@available.signal unless self.empty?
 		end
 
+		# Compatibility with {::Queue#push}.
+		alias << push
+
 		# Add multiple items to the queue.
 		def enqueue(*items)
 			@items.concat(items)
@@ -60,6 +63,9 @@ def dequeue
 			@items.shift
 		end
 
+		# Compatibility with {::Queue#pop}.
+		alias pop dequeue
+
 		# Process each item in the queue.
 		#
 		# @asynchronous Executes the given block concurrently for each item.

test/async/queue.rb

@@ -15,6 +15,22 @@
 AQueue = Sus::Shared("a queue") do
 	let(:queue) {subject.new}
 
+	with "#push" do
+		it "adds an item to the queue" do
+			queue.push(:item)
+			expect(queue.size).to be == 1
+			expect(queue.dequeue).to be == :item
+		end
+	end
+
+	with "#pop" do
+		it "removes an item from the queue" do
+			queue.push(:item)
+			expect(queue.pop).to be == :item
+			expect(queue.size).to be == 0
+		end
+	end
+
 	with '#each' do
 		it 'can enumerate queue items' do
 			reactor.async do |task|