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  2. Constructor (object-oriented programming) - Wikipedia

    en.wikipedia.org/wiki/Constructor_(object...

    Assignments occur according to the order in which data members are declared (even if the order in the initializer list is different). [3] The second part is the body, which is a normal method body enclosed in curly brackets. C++ allows more than one constructor. The other constructors must have different parameters.

  3. Initialization (programming) - Wikipedia

    en.wikipedia.org/wiki/Initialization_(programming)

    In C++, a constructor of a class/struct can have an initializer list within the definition but prior to the constructor body. It is important to note that when you use an initialization list, the values are not assigned to the variable. They are initialized. In the below example, 0 is initialized into re and im. Example:

  4. Resource acquisition is initialization - Wikipedia

    en.wikipedia.org/wiki/Resource_acquisition_is...

    Resource acquisition is initialization (RAII) [1] is a programming idiom [2] used in several object-oriented, statically typed programming languages to describe a particular language behavior. In RAII, holding a resource is a class invariant , and is tied to object lifetime .

  5. Object-oriented programming - Wikipedia

    en.wikipedia.org/wiki/Object-oriented_programming

    Many widely used languages, such as C++, Java, and Python, provide object-oriented features. Although in the past object-oriented programming was widely accepted, [ 51 ] more recently essays criticizing object-oriented programming and recommending the avoidance of these features (generally in favor of functional programming ) have been very ...

  6. Special member functions - Wikipedia

    en.wikipedia.org/wiki/Special_member_functions

    Copy constructor if no move constructor and move assignment operator are explicitly declared. If a destructor is declared generation of a copy constructor is deprecated (C++11, proposal N3242 [2]). Move constructor if no copy constructor, copy assignment operator, move assignment operator and destructor are explicitly declared.

  7. C++ - Wikipedia

    en.wikipedia.org/wiki/C++

    Dynamic initialization involves all object initialization done via a constructor or function call (unless the function is marked with constexpr, in C++11). The dynamic initialization order is defined as the order of declaration within the compilation unit (i.e. the same file).

  8. C++11 - Wikipedia

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

    C++ also provides constructors to initialize an object, but they are often not as convenient as the initializer list. However, C++03 allows initializer-lists only on structs and classes that conform to the Plain Old Data (POD) definition; C++11 extends initializer-lists, so they can be used for all classes including standard containers like std ...

  9. Placement syntax - Wikipedia

    en.wikipedia.org/wiki/Placement_syntax

    The Standard C++ syntax for a non-placement new expression is [2] new new-type-id ( optional-initializer-expression-list) The placement syntax adds an expression list immediately after the new keyword. This expression list is the placement. It can contain any number of expressions. [2] [3] [6]