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c++ Programming Glossary: baseHow to pass objects to functions in C++? http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c reference unless you pass objects of derived classes as base classes in which case you need to pass by reference . Use the..
Is it possible to write a C++ template to check for a function's existence? http://stackoverflow.com/questions/257288/is-it-possible-to-write-a-c-template-to-check-for-a-functions-existence
What is the slicing problem in C++? http://stackoverflow.com/questions/274626/what-is-the-slicing-problem-in-c assign an object of a derived class to an instance of a base class thereby losing part of the information some of it is sliced..
Regular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast object referred to doesn't contain the type casted to as a base class when you cast to a reference a bad_cast exception is thrown.. to do this but also allow you to safely cast to a private base class while the equivalent static_cast sequence would give you..
When should static_cast, dynamic_cast and reinterpret_cast be used? http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used It is unnecessary when casting upwards towards a base class but when casting downwards it can be used as long as it.. safe. This can be useful when overloading member functions based on const for instance. It can also be used to add const to..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special private or protected non static data members clause 11 no base classes clause 10 and no virtual functions 10.3 . So OK let's..
http://stackoverflow.com/questions/4421706/operator-overloading that the compound assignment operators can be used as a base for their non compound counterparts. That is operator is implemented..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers pretty_print SFINAE type trait to detect a container based on whether T const_iterator exists. Improvement idea check.. custom_delims MyDelims x . struct custom_delims_base virtual ~custom_delims_base virtual std ostream stream std.. x . struct custom_delims_base virtual ~custom_delims_base virtual std ostream stream std ostream 0 virtual std wostream..
When to use forward declaration? http://stackoverflow.com/questions/553682/when-to-use-forward-declaration in another class's header file Am I allowed to do it for a base class for a class held as a member for a class passed to member.. Therefore you cannot use the type to declare a member or a base class since the compiler would need to know the layout of the.. f5 What you cannot do with an incomplete type Use it as a base class class Foo X compiler error Use it to declare a member..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords are forbidden as detailed below On the name of a dependent base class you are not allowed to write typename . It's assumed that.. is a class type name. This is true for both names in the base class list and the constructor initalizer list template typename..
What are the differences between struct and class in C++ http://stackoverflow.com/questions/92859/what-are-the-differences-between-struct-and-class-in-c standard 11.2.2 In absence of an access specifier for a base class public is assumed when the derived class is declared struct..
Regular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast in that case . The following code is not valid because Base is not polymorphic doesn't contain a virtual function struct.. not polymorphic doesn't contain a virtual function struct Base struct Derived Base int main Derived d Base b d dynamic_cast.. contain a virtual function struct Base struct Derived Base int main Derived d Base b d dynamic_cast Derived b invalid An..
When to use virtual destructors? http://stackoverflow.com/questions/461203/when-to-use-virtual-destructors of a derived class through a pointer to base class class Base some virtual methods class Derived public Base ~Derived Do.. class class Base some virtual methods class Derived public Base ~Derived Do some important cleanup Here you'll notice that.. important cleanup Here you'll notice that I didn't declare Base's destructor to be virtual. Now let's have a look at the following..
What are access specifiers? Should I inherit with private, protected or public? http://stackoverflow.com/questions/5447498/what-are-access-specifiers-should-i-inherit-with-private-protected-or-public same class. Public Inheritance All Public members of the Base Class become Public Members of the derived class All Protected.. Members of the derived class All Protected members of the Base Class become Protected Members of the Derived Class. i.e. No.. further then applied to these members. Code Example Class Base public int a protected int b private int c class Derived public..
http://stackoverflow.com/questions/4060483/declare-before-use-in-c C doesn't hold inside a class. Look at this example #ifdef BASE struct Base #endif struct B struct A B b A b foo struct B void.. struct B struct A B b A b foo struct B void foo #ifdef BASE #endif int main return 0 If BASE is defined the code is valid... struct B void foo #ifdef BASE #endif int main return 0 If BASE is defined the code is valid. Within A's constructor I can use..
Can I use boost::enable_if on a member function? http://stackoverflow.com/questions/4880922/can-i-use-boostenable-if-on-a-member-function here. Here's what I have now template typename T typename BASE class MyClass public BASE public typename T operator const Utility1.. now template typename T typename BASE class MyClass public BASE public typename T operator const Utility1 BASE foo typename.. public BASE public typename T operator const Utility1 BASE foo typename T const operator const Utility2 BASE foo const..
Store two classes with the same base class in a std::vector http://stackoverflow.com/questions/8777724/store-two-classes-with-the-same-base-class-in-a-stdvector std class Base public virtual void identify cout BASE endl class Derived public Base public virtual void identify.. 'vect 0 ' seems to be a 'Base' instance and it prints BASE I guess I could write my own container probably derived from..
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