c++ Programming Glossary: d2

http://stackoverflow.com/questions/3254788/how-visitor-pattern-avoid-downcasting

Before class Base class Derived1 public Base class Derived2 public Base Some arbitrary function that handles Base. void.. std printf Handling Derived1 n else if ...type is Derived2... Derived2 d2 static_cast Derived2 base std printf Handling.. Handling Derived1 n else if ...type is Derived2... Derived2 d2 static_cast Derived2 base std printf Handling Derived2 n..

What is the curiously recurring template pattern (CRTP)?

http://stackoverflow.com/questions/4173254/what-is-the-curiously-recurring-template-pattern-crtp

your template parameter. wonderful isnit it Derived const d2 static_cast Derived const op2 return d1 d2 d2 d1 assuming derived.. Derived const d2 static_cast Derived const op2 return d1 d2 d2 d1 assuming derived has operator Now you can use it like.. const d2 static_cast Derived const op2 return d1 d2 d2 d1 assuming derived has operator Now you can use it like this..

Double dispatch/multimethods in C++

http://stackoverflow.com/questions/429849/double-dispatch-multimethods-in-c

cout Derived1 myFunction called endl class Derived2 public BaseClass public Derived2 BaseClass void myFunction cout.. called endl class Derived2 public BaseClass public Derived2 BaseClass void myFunction cout Derived2 myFunction called endl.. public Derived2 BaseClass void myFunction cout Derived2 myFunction called endl class Derived3 public BaseClass public..

overloading friend operator<< for template class

http://stackoverflow.com/questions/4660123/overloading-friend-operator-for-template-class

classT d int main int i1 1 int i2 2 D int d1 i1 D int d2 i2 cout my_max d1 d2 endl return 0 template class sclassT ostream.. int i1 1 int i2 2 D int d1 i1 D int d2 i2 cout my_max d1 d2 endl return 0 template class sclassT ostream operator ostream..

Does C++ support compile-time counters?

http://stackoverflow.com/questions/6166337/does-c-support-compile-time-counters

struct counter_inc_t d1 char x counter_read counter_inc_t d2 char y counter_read ls std cout sizeof ls.x ' ' sizeof ls.y..

Are there practical uses for dynamic-casting to void pointer?

http://stackoverflow.com/questions/8123776/are-there-practical-uses-for-dynamic-casting-to-void-pointer

void b2 int main DD dd new DD D1 d1 dynamic_cast D1 dd D2 d2 dynamic_cast D2 dd std cout eq eq d1 d2 eqdc eqdc d1 d2 n return.. D1 dd D2 d2 dynamic_cast D2 dd std cout eq eq d1 d2 eqdc eqdc d1 d2 n return 0 Output eq 0 eqdc 1 share improve..

Reorder vector using a vector of indices

http://stackoverflow.com/questions/838384/reorder-vector-using-a-vector-of-indices

d diff_t 1 continue remaining value_t temp v s for index_t d2 d s d d2 swap temp v d swap order_begin d d2 diff_t 1 remaining.. 1 continue remaining value_t temp v s for index_t d2 d s d d2 swap temp v d swap order_begin d d2 diff_t 1 remaining v s temp..

STL vectors with uninitialized storage?

http://stackoverflow.com/questions/96579/stl-vectors-with-uninitialized-storage

i memberVector mvSize i .d1 data1 i memberVector mvSize i .d2 data2 i c optimization stl vector share improve this question.. Using your example code struct YourData int d1 int d2 YourData int v1 int v2 d1 v1 d2 v2 std vector YourData memberVector.. struct YourData int d1 int d2 YourData int v1 int v2 d1 v1 d2 v2 std vector YourData memberVector void GetsCalledALot int..

Whats the cost of calling a virtual function in a non-polymorphic way?

http://stackoverflow.com/questions/14922890/whats-the-cost-of-calling-a-virtual-function-in-a-non-polymorphic-way

0 struct D1 B void foo override cout D1 foo endl struct D2 B void foo override cout D1 foo endl Does calling foo in Point.. member function Or is it more expensive than if D1 and D2 wouldn't have derived from B int main D1 d1 D2 d2 std vector.. if D1 and D2 wouldn't have derived from B int main D1 d1 D2 d2 std vector B v d1 d2 d1.foo d2.foo Point A polymorphism not..

C++ class template of specific baseclass

http://stackoverflow.com/questions/2012950/c-class-template-of-specific-baseclass

question More exactly class B class D1 public B class D2 public B class U template class X class Y class P X x Y y public..

Is the comma in a variable list a sequence point?

http://stackoverflow.com/questions/6414030/is-the-comma-in-a-variable-list-a-sequence-point

declarations each with a single declarator. That is T D1 D2 ... Dn is usually equvalent to T D1 T D2 ... T Dn share improve..

What is the order in which the destructors and the constructors are called in C++

http://stackoverflow.com/questions/654428/what-is-the-order-in-which-the-destructors-and-the-constructors-are-called-in-c

like a stack. This works for any number of levels. Example D2 derives from D derives from B. Push B on the stack push D on.. from B. Push B on the stack push D on the stack push D2 on the stack. So the construction order is B D D2. Then to find.. push D2 on the stack. So the construction order is B D D2. Then to find out destruction order start popping. D2 D B More..

GNU GCC (g++): Why does it generate multiple dtors?

http://stackoverflow.com/questions/6613870/gnu-gcc-g-why-does-it-generate-multiple-dtors

The mapping to mangled names is given in 5.1.4. Basically D2 is the base object destructor . It destroys the object itself.. free the memory. If you have no virtual base classes D2 and D1 are identical GCC will on sufficient optimization levels..

Dual emission of constructor symbols

http://stackoverflow.com/questions/6921295/dual-emission-of-constructor-symbols

D0 # deleting destructor D1 # complete object destructor D2 # base object destructor Wait why is this simple This class..

Non-pointer typedef of member functions not allowed?

http://stackoverflow.com/questions/7429510/non-pointer-typedef-of-member-functions-not-allowed

Base x struct D1 public Base void x std cout D1 n struct D2 public Base void x std cout D2 n int main D1 d1 D2 d2 d1 .go.. void x std cout D1 n struct D2 public Base void x std cout D2 n int main D1 d1 D2 d2 d1 .go d2 .go But if I change it to.. struct D2 public Base void x std cout D2 n int main D1 d1 D2 d2 d1 .go d2 .go But if I change it to the new preferred style..

Are there practical uses for dynamic-casting to void pointer?

http://stackoverflow.com/questions/8123776/are-there-practical-uses-for-dynamic-casting-to-void-pointer

iostream class B public virtual ~B class D1 public B class D2 public B class DD public D1 public D2 namespace bool eq B b1.. D1 public B class D2 public B class DD public D1 public D2 namespace bool eq B b1 B b2 return b1 b2 bool eqdc B b1 B b2.. void b2 int main DD dd new DD D1 d1 dynamic_cast D1 dd D2 d2 dynamic_cast D2 dd std cout eq eq d1 d2 eqdc eqdc d1 d2 n..