[Qt-interest] need help with qobject connect

[Thiago Macieira]

Ivan Lyapunov wrote:
>QObject::connect: Cannot queue arguments of type 'aStruct&'

You cannot queue or register non-const references.

It doesn't make sense to send them in a queued signal emission anyway. 
Non-const references make sense for the slots to modify something in the 
parameter, indicating some value to the signal emitter.

But in a queued connection, the slot may be run after the signal function 
returns. So the signal emitter function will not have any value returned.

-- 
Thiago Macieira - thiago.macieira (AT) nokia.com
  Senior Product Manager - Nokia, Qt Software
      Sandakerveien 116, NO-0402 Oslo, Norway
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