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require 'thread'
# one producer, many consumers
n = 1_000_000
m = 10
q = Thread::SizedQueue.new(100)
consumers = m.times.map do
Thread.new do
while q.pop
# consuming
end
end
end
producer = Thread.new do
while n > 0
q.push true
n -= 1
end
m.times { q.push nil }
end
producer.join
consumers.each(&:join)
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