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25 lines
325 B
Ruby
25 lines
325 B
Ruby
# https://gobyexample.com/select
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require 'channel'
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c1 = Channel.new
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c2 = Channel.new
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go lambda {
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sleep(1)
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c1 << 'one'
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}
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go lambda {
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sleep(2)
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c2 << 'two'
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}
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2.times do
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Channel.select(c1, c2) do |msg, c|
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case c
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when c1 then puts "received #{msg}"
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when c2 then puts "received #{msg}"
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end
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end
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end
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