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Ruby Threadの非同期処理で処理結果をそれぞれ変数に入れて結果を待ち受ける

Last updated at Posted at 2022-11-04
thread1 = Thread.fork { sleep 3; "AAA" }
thread2 = Thread.fork { sleep 6; "BBB" }

thread_return1 = thread1.join.value
p thread_return1 # 3秒程度で表示される

thread_return2 = thread2.join.value
p thread_return2 # 6秒程度で表示される

ここでいうjoinとは

配列のjoinとはニュアンスが違うらしい。

image.png

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