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  2. Dynamic dispatch - Wikipedia

    en.wikipedia.org/wiki/Dynamic_dispatch

    The default form of dispatch is static. To get dynamic dispatch the programmer must declare a method as virtual. C++ compilers typically implement dynamic dispatch with a data structure called a virtual function table (vtable) that defines the name-to-implementation mapping for a given class as a set of member function pointers. This is purely ...

  3. Virtual method table - Wikipedia

    en.wikipedia.org/wiki/Virtual_method_table

    Thus, fetching the method's address from a given offset into a virtual method table will get the method corresponding to the object's actual class. [2] The C++ standards do not mandate exactly how dynamic dispatch must be implemented, but compilers generally use minor variations on the same basic model.

  4. Multiple dispatch - Wikipedia

    en.wikipedia.org/wiki/Multiple_dispatch

    Multiple dispatch or multimethods is a feature of some programming languages in which a function or method can be dynamically dispatched based on the run-time (dynamic) type or, in the more general case, some other attribute of more than one of its arguments. [1]

  5. Double dispatch - Wikipedia

    en.wikipedia.org/wiki/Double_dispatch

    The call is therefore subject to all the usual additional performance costs that are associated with dynamic resolution of calls, usually more than in a language supporting only single method dispatch. In C++, for example, a dynamic function call is usually resolved by a single offset calculation - which is possible because the compiler knows ...

  6. Late binding - Wikipedia

    en.wikipedia.org/wiki/Late_binding

    In computing, late binding or dynamic linkage [1] —though not an identical process to dynamically linking imported code libraries—is a computer programming mechanism in which the method being called upon an object, or the function being called with arguments, is looked up by name at runtime.

  7. Virtual function - Wikipedia

    en.wikipedia.org/wiki/Virtual_function

    Virtual functions allow a program to call methods that don't necessarily even exist at the moment the code is compiled. [citation needed] In C++, virtual methods are declared by prepending the virtual keyword to the function's declaration in the base class. This modifier is inherited by all implementations of that method in derived classes ...

  8. Bitter cold in forecast: December set for 'coldest start' in ...

    www.aol.com/news/bitter-cold-forecast-december...

    As the Thanksgiving weekend holiday wraps up, many will face cold temperatures for holiday shopping or travel.

  9. Dispatch table - Wikipedia

    en.wikipedia.org/wiki/Dispatch_table

    In computer science, a dispatch table is a table of pointers or memory addresses to functions or methods. [1] Use of such a table is a common technique when implementing late binding in object-oriented programming .