StacktraceTop:
empty (this=<optimized out>) at /usr/include/sigc++-2.0/sigc++/functors/slot_base.h:273
operator() (_A_a2=..., _A_a1=..., this=0x3b1a908) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:592
Set (value=..., this=0x3b1a8e0) at /usr/include/Nux-1.0/NuxCore/Property-inl.h:105
nux::Property<nux::color::Color>::operator= (this=<optimized out>, value=<optimized out>) at /usr/include/Nux-1.0/NuxCore/Property-inl.h:75
unity::switcher::SwitcherController::OnBackgroundUpdate (data=<optimized out>, self=0x1c27b30) at /build/buildd/unity-4.24.0/plugins/unityshell/src/SwitcherController.cpp:66
StacktraceTop: sigc++- 2.0/sigc+ +/functors/ slot_base. h:273 sigc++- 2.0/sigc+ +/functors/ slot.h: 592 Nux-1.0/ NuxCore/ Property- inl.h:105 nux::color: :Color> ::operator= (this=<optimized out>, value=<optimized out>) at /usr/include/ Nux-1.0/ NuxCore/ Property- inl.h:75 :switcher: :SwitcherContro ller::OnBackgro undUpdate (data=<optimized out>, self=0x1c27b30) at /build/ buildd/ unity-4. 24.0/plugins/ unityshell/ src/SwitcherCon troller. cpp:66
empty (this=<optimized out>) at /usr/include/
operator() (_A_a2=..., _A_a1=..., this=0x3b1a908) at /usr/include/
Set (value=..., this=0x3b1a8e0) at /usr/include/
nux::Property<
unity: