#!/usr/bin/env perl6
my $port = 3333 ;
say "listen port $port" ;

react {
    my $ids = 0 ;
    whenever IO::Socket::Async.listen('0.0.0.0', $port ) -> $conn {
        my $id = $ids++ ;
        $conn.print( "$id: hellon") ;
        whenever $conn.Supply.lines -> $line {
            say "$id: $line" ;
            $conn.print( "$id : $linen") ;
        }
    }
}

#!/usr/bin/env perl6
my $port = 3333 ;
my $conn = await IO::Socket::Async.connect('localhost', $port );
$conn.print: "{time}n";

#$conn.Supply.tap(-> $v { print $v });

sleep 1 ;
$conn.close;

listen port 3333
0: 1524671069
An operation first awaited:
  in block <unit> at ./server2.p6 line 5

Died with the exception:
    connection reset by peer
      in block <unit> at ./server2.p6 line 5

X::AdHoc+{X::Await::Died}: connection reset by peer