examples

examples/select.rb

@@ -0,0 +1,25 @@
+# https://gobyexample.com/select
+
+require 'channel'
+
+c1 = Channel.new
+c2 = Channel.new
+
+go lambda {
+  sleep(1)
+  c1 << 'one'
+}
+
+go lambda {
+  sleep(2)
+  c2 << 'two'
+}
+
+2.times do
+  Channel.select(c1, c2) do |msg, c|
+    case c
+    when c1 then puts "received #{msg}"
+    when c2 then puts "received #{msg}"
+    end
+  end
+end