Re: [Boost-users] Problem using boost::bind with VC2005 (compilercrashes)

From: Johan Nilsson (r.johan.nilsson_at_[hidden])
Date: 2008-02-22 05:19:18

Daniel Lidström wrote:
> Hello!
>
> I'm trying to use boost::bind and boost::function to perform a
> callback mechanism.
> However, the VC2005 compiler crashes for some reason. Let me show the
> code right away:
>

[snip]

> struct Fl_Widget;
>
> typedef boost::function<void (Fl_Widget&, const boost::any&)>
> CBF_Callback;
>
> struct Fl_Widget
> {
>   CBF_Callback cbf_callback_;
>   boost::any user_data_;
>

[snip]

>
> struct RailCaterpillarControllerGUI
> {
>   Fl_Widget widget;
>
>   RailCaterpillarControllerGUI()
>   {
>      // cbToggleDeadZone should be called by widget's callback
>      CBF_Callback
> callback(boost::bind(&RailCaterpillarControllerGUI::cbToggleDeadZone,
> this));
>      widget.cbf_callback(callback);
>   }
>

[snip]

>
> The compiler seems to crash when trying to compile the
> RailCaterpillarControllerGUI constructor.
> Any ideas why?
> I'm using 8.0.50727.867 (vsvista.050727-8600), boost-1.34.1

Try adding the argument placeholders to your bind call:

// cbToggleDeadZone should be called by widget's callback
CBF_Callback callback(
    boost::bind(
        &RailCaterpillarControllerGUI::cbToggleDeadZone,
        this,
        _1,
        _2
    ));

HTH / Johan