Ruby

[Doc] Recover example about Queue

trunk@42862 dropped example's last line.

https://github.com/ruby/ruby/commit/e334bb2ce5d8876b020ab681f21595e2e1c9d601#diff-8783a9b452e430bcf0d7b0c6e34f1db0L144
https://github.com/ruby/ruby/commit/e334bb2ce5d8876b020ab681f21595e2e1c9d601#diff-38e7b9d781319cfbc49445f8f6625b8aR195

This brings no output.

queue = Queue.new producer = Thread.new do 5.times do |i| sleep rand(i) # simulate expense queue << i puts "#{i} produced" end end consumer = Thread.new do 5.times do |i| value = queue.pop sleep rand(i/2) # simulate expense puts "consumed #{value}" end end 

queue = Queue.new producer = Thread.new do 5.times do |i| sleep rand(i) # simulate expense queue << i puts "#{i} produced" end end consumer = Thread.new do 5.times do |i| value = queue.pop sleep rand(i/2) # simulate expense puts "consumed #{value}" end end consumer.join 

$ ruby queue_example1.rb
$

$ ruby queue_example2.rb
0 produced
1 produced
consumed 0
consumed 1
2 produced
consumed 2
3 produced
consumed 3
4 produced
consumed 4
$

Co-Authored-By: Sanemat o.gata.ken@gmail.com

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64058 b2dd03c8-39d4-4d8f-98ff-823fe69b080e