Error due to calling receive on a closed channel
class X::Channel::ReceiveOnClosed {}
This exception is thrown when a calling receive on a Channel that has been closed:
my $s = Channel.new;
$s.close;
$s.receive; # Cannot receive a message on a closed channel
CATCH { default { put .^name, ': ', .Str } };
# OUTPUT: «X::Channel::ReceiveOnClosed: Cannot receive a message on a closed channel»
method Channel(X::Channel::ReceiveOnClosed:D: --> Channel:D)
Returns the Channel object on which the receive method was called.