为什么80%的码农都做不了架构师？>>>   

class MyString
{ public:MyString(const char* string); // convert MyString to a C-style string. operator const char*() { return mBuffer; } private: char* mBuffer; int mLength;
}; // MyString objects get automatically converted to const char* MyString mystr("Haggis"); int same = strcmp(mystr, "Edible"); int len = strlen(mystr);

/* *    Copyright (c) 2014 eryar All Rights Reserved.
*
*           File : Main.cpp
*         Author : eryar@163.com
*           Date : 2014-04-12 18:02
*        Version : V1.0
*
*    Description : Learn Conversion Operators in OpenCascade.
*
*      Key words : OpenCascade, Conversion Operators
* */ #define WNT #include <BRepPrimAPI_MakeSphere.hxx> #pragma comment(lib, "TKernel.lib") #pragma comment(lib, "TKMath.lib") #pragma comment(lib, "TKBRep.lib") #pragma comment(lib, "TKPrim.lib") #pragma comment(lib, "TKTopAlgo.lib") void TestConversionOperators(void)
{TopoDS_Shape theSphereShape = BRepPrimAPI_MakeSphere(1.0);TopoDS_Solid theSphereSolid = BRepPrimAPI_MakeSphere(1.0);TopoDS_Shell theSphereShell = BRepPrimAPI_MakeSphere(1.0);TopoDS_Face theSphereFace = BRepPrimAPI_MakeSphere(1.0); // error C2440: 'initializing' : cannot convert // from 'BRepPrimAPI_MakeSphere' to 'TopoDS_Wire' //TopoDS_Wire theSphereWire = BRepPrimAPI_MakeSphere(1.0); } int main(int argc, char* argv[])
{TestConversionOperators(); return 0;
}

//! The abstract class MakeOneAxis is the root class of <br> //! algorithms used to construct rotational primitives. <br> class BRepPrimAPI_MakeOneAxis  : public BRepBuilderAPI_MakeShape { public:DEFINE_STANDARD_ALLOC //! The inherited commands should provide the algorithm. <br> //!          Returned as a pointer. <br> Standard_EXPORT virtual Standard_Address OneAxis()  = 0; //! Stores the solid in myShape. <br> Standard_EXPORT virtual void Build() ; //! Returns the lateral face of the rotational primitive. <br> //! <br> Standard_EXPORT const TopoDS_Face& Face() ;
Standard_EXPORT operator TopoDS_Face(); //! Returns the constructed rotational primitive as a shell. <br> Standard_EXPORT const TopoDS_Shell& Shell() ;
Standard_EXPORT operator TopoDS_Shell(); //! Returns the constructed rotational primitive as a solid. <br> Standard_EXPORT const TopoDS_Solid& Solid() ;
Standard_EXPORT operator TopoDS_Solid(); protected: private:
};

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