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2. C++ Standard Library - Wikipedia

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

   The C++ Standard Library provides several generic containers, functions to use and manipulate these containers, function objects, generic strings and streams (including interactive and file I/O), support for some language features, and functions for common tasks such as finding the square root of a number.

3. Curiously recurring template pattern - Wikipedia

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

   The curiously recurring template pattern (CRTP) is an idiom, originally in C++, in which a class X derives from a class template instantiation using X itself as a template argument. [1] More generally it is known as F-bound polymorphism , and it is a form of F -bounded quantification .

4. Move assignment operator - Wikipedia

   en.wikipedia.org/wiki/Move_assignment_operator

   In the C++ programming language, the move assignment operator = is used for transferring a temporary object to an existing object. The move assignment operator, like most C++ operators, can be overloaded.

5. Special member functions - Wikipedia

   en.wikipedia.org/wiki/Special_member_functions

   In the C++ programming language, special member functions [1] are functions which the compiler will automatically generate if they are used, but not declared explicitly by the programmer. The automatically generated special member functions are: Default constructor if no other constructor is explicitly declared.

6. Concepts (C++) - Wikipedia

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

   The following is a declaration of the concept "equality_comparable" from the <concepts> header of a C++20 standard library. This concept is satisfied by any type T such that for lvalues a and b of type T, the expressions a==b and a!=b as well as the reverse b==a and b!=a compile, and their results are convertible to a type that satisfies the concept "boolean-testable":

7. Reference (C++) - Wikipedia

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

   In the C++ programming language, a reference is a simple reference datatype that is less powerful but safer than the pointer type inherited from C.The name C++ reference may cause confusion, as in computer science a reference is a general concept datatype, with pointers and C++ references being specific reference datatype implementations.

8. Template metaprogramming - Wikipedia

   en.wikipedia.org/wiki/Template_metaprogramming

   The use of templates as a metaprogramming technique requires two distinct operations: a template must be defined, and a defined template must be instantiated.The generic form of the generated source code is described in the template definition, and when the template is instantiated, the generic form in the template is used to generate a specific set of source code.

9. C++ string handling - Wikipedia

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

   The std::string type is the main string datatype in standard C++ since 1998, but it was not always part of C++. From C, C++ inherited the convention of using null-terminated strings that are handled by a pointer to their first element, and a library of functions that manipulate such strings.