examples

examples/closing_channels.rb

@@ -0,0 +1,31 @@
+# https://gobyexample.com/closing-channels
+
+require 'channel'
+
+jobs = Channel.new(5)
+done = Channel.new
+
+go lambda {
+  loop do
+    begin
+      j = jobs.recv
+    rescue Channel::Closed
+      # TODO: wrong! ends before all items recv'd
+      # j, more := <-jobs; more == True
+      puts 'received all jobs'
+      done << true
+      return
+    else
+      puts "received job #{j}"
+    end
+  end
+}
+
+3.times do |j|
+  jobs << j
+  puts "sent job #{j}"
+end
+jobs.close
+puts 'sent all jobs'
+
+done.recv