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30 lines
620 B
Ruby
30 lines
620 B
Ruby
# https://gobyexample.com/non-blocking-channel-operations
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require 'channel'
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messages = Channel.new
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signals = Channel.new
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Channel.select(messages) do |msg, c|
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case c
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when messages then puts "received message #{msg}"
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else puts 'no message received'
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end
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end
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# msg = 'hi'
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# messages <- msg
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# select {
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# case messages <- msg:
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# fmt.Println("sent message", msg)
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# default:
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# fmt.Println("no message sent")
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# }
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Channel.select(messages, signals) do |res, c|
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case c
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when messages then puts "received message #{res}"
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when signals then puts "received signal #{res}"
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else puts 'no activity'
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end
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end
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