Rename Async::LimitedBarrier to Async::Waiter based on feedback.

lib/async/limited_barrier.rb → lib/async/waiter.rb

@@ -5,7 +5,7 @@
 
 module Async
 	# A composable synchronization primitive, which allows one task to wait for a number of other tasks to complete. It can be used in conjunction with {Semaphore} and/or {Barrier}.
-	class LimitedBarrier
+	class Waiter
 		def initialize(parent: nil, finished: Async::Condition.new)
 			@finished = finished
 			@done = []

test/async/limited_barrier.rb → test/async/waiter.rb

@@ -1,23 +1,23 @@
 
-require 'async/limited_barrier'
+require 'async/waiter'
 require 'sus/fixtures/async'
 
-describe Async::LimitedBarrier do
+describe Async::Waiter do
 	include Sus::Fixtures::Async::ReactorContext
 
-	let(:limited_barrier) {subject.new}
+	let(:waiter) {subject.new}
 
 	it "can wait for a subset of tasks" do
 		3.times do
-			limited_barrier.async do
+			waiter.async do
 				sleep(rand * 0.01)
 			end
 		end
 
-		done = limited_barrier.wait(2)
+		done = waiter.wait(2)
 		expect(done.size).to be == 2
 
-		done = limited_barrier.wait(1)
+		done = waiter.wait(1)
 		expect(done.size).to be == 1
 	end
 end