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  2. Double dispatch - Wikipedia

    en.wikipedia.org/wiki/Double_dispatch

    The problem is that, while virtual functions are dispatched dynamically in C++, function overloading is done statically. The problem described above can be resolved by simulating double dispatch, for example by using a visitor pattern. Suppose the existing code is extended so that both SpaceShip and ApolloSpacecraft are given the function

  3. Variadic template - Wikipedia

    en.wikipedia.org/wiki/Variadic_template

    The variadic template feature of C++ was designed by Douglas Gregor and Jaakko Järvi [1] [2] and was later standardized in C++11. Prior to C++11, templates (classes and functions) could only take a fixed number of arguments, which had to be specified when a template was first declared.

  4. C++ Technical Report 1 - Wikipedia

    en.wikipedia.org/wiki/C++_Technical_Report_1

    C++ Technical Report 1 (TR1) is the common name for ISO/IEC TR 19768, C++ Library Extensions, which is a document that proposed additions to the C++ standard library for the C++03 language standard. The additions include regular expressions , smart pointers , hash tables , and random number generators .

  5. C++11 - Wikipedia

    en.wikipedia.org/wiki/C++11

    In theory, this function could affect a global variable, call other non-runtime constant functions, etc. C++11 introduced the keyword constexpr, which allows the user to guarantee that a function or object constructor is a compile-time constant. [11] The above example can be rewritten as follows:

  6. Curiously recurring template pattern - Wikipedia

    en.wikipedia.org/wiki/Curiously_recurring...

    To elaborate on the above example, consider a base class with no virtual functions. Whenever the base class calls another member function, it will always call its own base class functions. When we derive a class from this base class, we inherit all the member variables and member functions that were not overridden (no constructors or destructors).

  7. Variadic function - Wikipedia

    en.wikipedia.org/wiki/Variadic_function

    The C function printf and the Common Lisp function format are two such examples. Both take one argument that specifies the formatting of the output, and any number of arguments that provide the values to be formatted. Variadic functions can expose type-safety problems in some languages.

  8. DOGE tracker: A running list of what Elon Musk and Vivek ...

    www.aol.com/doge-tracker-running-list-elon...

    The two have promised to significantly reduce the federal budget, with a goal of cutting $2 trillion in spending. In the fiscal year 2024, federal spending reached $6.75 trillion, with nine-tenths ...

  9. Tagged union - Wikipedia

    en.wikipedia.org/wiki/Tagged_union

    If an element lies in both, there will be two effectively distinct copies of the value in A + B, one from A and one from B. In type theory, a tagged union is called a sum type. Sum types are the dual of product types. Notations vary, but usually the sum type A + B comes with two introduction forms inj 1: A → A + B and inj 2: B → A + B.