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  2. Resource acquisition is initialization - Wikipedia

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

    Both Clang and the GNU Compiler Collection implement a non-standard extension to the C language to support RAII: the "cleanup" variable attribute. [16] The following annotates a variable with a given destructor function that it will call when the variable goes out of scope:

  3. C++11 - Wikipedia

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

    Derived class constructors will execute after all delegation in their base classes is complete. For base-class constructors, C++11 allows a class to specify that base class constructors will be inherited. Thus, the C++11 compiler will generate code to perform the inheritance and the forwarding of the derived class to the base class.

  4. Clang - Wikipedia

    en.wikipedia.org/wiki/Clang

    Clang becomes default compiler in OpenBSD 6.6 on mips64. [58] 19 September 2019 Clang 9.0.0 released with official RISC-V target support. [59] 29 February 2020 Clang becomes the only C compiler in the FreeBSD base system, with the removal of GCC. [60] 24 March 2020 Clang 10.0.0 released: 2 April 2020: Clang becomes default compiler in OpenBSD 6 ...

  5. Special member functions - Wikipedia

    en.wikipedia.org/wiki/Special_member_functions

    Default constructor if no other constructor is explicitly declared. 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]).

  6. Constructor (object-oriented programming) - Wikipedia

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

    Constructors cannot be directly invoked (the keyword “new” invokes them). Constructors should not have non-access modifiers. Java constructors perform the following tasks in the following order: Call the default constructor of the superclass if no constructor is defined. Initialize member variables to the specified values.

  7. crt0 - Wikipedia

    en.wikipedia.org/wiki/Crt0

    Beside the initialization work required by the environment and toolchain, crt0 can perform additional operations defined by the programmer, such as executing C++ global constructors and C functions carrying GCC's ((constructor)) attribute. [2] [3] "crt" stands for "C runtime", and the zero stands for "the very beginning".

  8. 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).

  9. Copy constructor (C++) - Wikipedia

    en.wikipedia.org/wiki/Copy_constructor_(C++)

    The copy constructor is used only for initializations, and does not apply to assignments where the assignment operator is used instead. The implicit copy constructor of a class calls base copy constructors and copies its members by means appropriate to their type. If it is a class type, the copy constructor is called.