Error due to calling send on a closed channel
This exception is thrown when a calling
send on a Channel that has been closed:
my = Channel.new;.close;.send(42);CATCH ;# OUTPUT: «X::Channel::SendOnClosed: Cannot send a message on a closed channel␤»
method Channel(X::Channel::SendOnClosed: --> Channel)
Returns the Channel object on which the
send method was called.