casts = []
casts << {:long=>'key', :short=>'k', :type=>'string', :mandatory=>true, :default=>nil, :allowed=>nil, :disallowed=>nil}
casts << {:long=>'bin_size', :short=>'b', :type=>'uint', :mandatory=>true, :default=>10, :allowed=>nil, :disallowed=>'0'}
casts = []
casts << {:long=>'key', :short=>'k', :type=>'string', :mandatory=>true, :default=>nil, :allowed=>nil, :disallowed=>nil}
casts << {:long=>'bin_size', :short=>'b', :type=>'uint', :mandatory=>true, :default=>10, :allowed=>nil, :disallowed=>'0'}