www.pudn.com > Loki.rar > Test_HierarchyGenerators3.cpp

#include  
#include  
#include "HierarchyGenerators.h" 
 
using namespace ::Loki; 
 
// 
// Helper class for simulating (ranking) partial ordering 
// 
template 
struct Order : Order {}; 
 
template<> 
struct Order<0> {}; 
 
template class Unit> 
class PrintGenScatterHierarchy 
{     
    // 
    // The second parameter is not needed when using compilers that support partial ordering 
    // VC7 doesn't support that feature - this is an example of simulating that feature in VC7 
    // 
    template 
    static void Print(GenScatterHierarchy, Unit> &a, Order<1>) 
    { 
        printf("%s\n", typeid(a).name()); 
 
        GenScatterHierarchy &left = a; 
        Print(left); 
 
        GenScatterHierarchy &right = a; 
        Print(right); 
    } 
 
    template 
    static void Print(GenScatterHierarchy &a, Order<0>) 
    { 
        printf("%s\n", typeid(a).name()); 
 
        Unit &left = a; 
        (void)left; 
 
        printf("%s\n", typeid(left).name()); 
    } 
 
    static void Print(GenScatterHierarchy &a, Order<1>) 
    { 
        (void)a; 
        printf("%s\n", typeid(a).name()); 
    } 
 
public: 
    template 
    static void Print(GenScatterHierarchy &a) 
    { 
        Print(a, Order<1>()); 
    } 
     
}; 
 
template class TestUnit {}; 
template struct A {}; 
template struct B {}; 
 
int 
main() 
{ 
    typedef TYPELIST_20(A<1>, A<2>, A<3>, A<4>, A<5>, A<6>, A<7>, A<8>, A<9>, A<10>, 
                        B<1>, B<2>, B<3>, B<4>, B<5>, B<6>, B<7>, B<8>, B<9>, B<10>) TestList_t; 
 
    GenScatterHierarchy TestGenScatterHierarchy; 
 
    PrintGenScatterHierarchy::Print(TestGenScatterHierarchy); 
}