# test emtpy server write when reverse sending use strict; use warnings; our %args = ( client => { func => \&read_stream, }, relay => { func => sub { ioflip(@_); relay(@_); }, }, server => { func => \&write_stream, len => 0, }, len => 0, md5 => "d41d8cd98f00b204e9800998ecf8427e", );