Returns a pointer to the stored callable function target. Parameters (none) Return value A pointer to the stored function iftarget_type()==typeid(T), otherwise a null pointer. Example Run this code #include <functional>#include <iostream>intf(int,int){return1;}intg(int,int){return2;}void...
Target Platform Windows Header oleacc.h Library Oleacc.lib DLL Oleacc.dll Redistributable Active Accessibility 1.3 RDK on Windows NT 4.0 with SP6 and later and Windows 95 See also Appendix A: Supported User Interface Elements Reference CreateStdAccessibleObject IDispatch Shortcuts for Exposing Custom ...
std::bad_function_callis the type of the exception thrown bystd::function::operator()if the function wrapper has no target. Inheritance diagram Member functions (constructor) constructs a newbad_function_callobject (public member function)
Target Platform Windows Header oleacc.h Library Oleacc.lib DLL Oleacc.dll Redistributable Active Accessibility 1.3 RDK on Windows NT 4.0 with SP6 and later and Windows 95 See also Appendix A: Supported User Interface Elements Reference CreateStdAccessibleObject IDispatch Shortcuts for Exposing Custom ...
Target Platform Windows Header oleacc.h Library Oleacc.lib DLL Oleacc.dll Redistributable Active Accessibility 1.3 RDK on Windows NT 4.0 with SP6 and later and Windows 95 See also Appendix A: Supported User Interface Elements Reference CreateStdAccessibleObject IDispatch Shortcuts for Exposing Custom ...
Target Platform Windows Header oleacc.h Library Oleacc.lib DLL Oleacc.dll Redistributable Active Accessibility 1.3 RDK on Windows NT 4.0 with SP6 and later and Windows 95 See also Appendix A: Supported User Interface Elements Reference CreateStdAccessibleObject IDispatch Shortcuts for Exposing Custom ...
Target Platform Windows Header oleacc.h Library Oleacc.lib DLL Oleacc.dll Redistributable Active Accessibility 1.3 RDK on Windows NT 4.0 with SP6 and later and Windows 95 See also Appendix A: Supported User Interface Elements Reference CreateStdAccessibleObject IDispatch Shortcuts for Exposing Custom ...
Minimum supported server Windows Server 2003 [desktop apps only] Target Platform Windows Header oleacc.h Library Oleacc.lib DLL Oleacc.dll Redistributable Active Accessibility 1.3 RDK on Windows NT 4.0 with SP6 and later and Windows 95See alsoAppendix...
Target PlatformWindows Headeroleacc.h LibraryOleacc.lib DLLOleacc.dll RedistributableActive Accessibility 1.3 RDK on Windows NT 4.0 with SP6 and later and Windows 95 See also Appendix A: Supported User Interface Elements Reference CreateStdAccessibleObject ...
1.虚基父类多态方式,存储可调用对象 从实际应用中我们可以看到function需要能够存储构造它的可调用对象的状态,而且可调用对象可能是多样的,各种可调用的类或者函数;一种比较容易理解的实现方案是这样的,每个function在实例化的时候,会构造对应的一个子类并实例化存在堆上,然后对于function本身来说,只存储一个父类的指针。