> For the complete documentation index, see [llms.txt](https://notes.tejpratapsingh.com/_/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://notes.tejpratapsingh.com/_/cpp/code.md).

# Code

- [Pre-Processors](https://notes.tejpratapsingh.com/_/cpp/code/pre-processors.md): Those #Tag inside our program
- [#include](https://notes.tejpratapsingh.com/_/cpp/code/pre-processors/include.md)
- [#define](https://notes.tejpratapsingh.com/_/cpp/code/pre-processors/define.md): This is used to define macros. Macros can be simple constants or function
- [#ifdef](https://notes.tejpratapsingh.com/_/cpp/code/pre-processors/ifdef.md): These directives allow you to include or exclude code based on certain conditions
- [#pragma](https://notes.tejpratapsingh.com/_/cpp/code/pre-processors/pragma.md): Pragma is a Include Guards, it tells compiler whether  to include header file again or not
- [Predefined Macros](https://notes.tejpratapsingh.com/_/cpp/code/pre-processors/predefined-macros.md): C++ has many predefined macros too
- [LValue and RValue](https://notes.tejpratapsingh.com/_/cpp/code/lvalue-and-rvalue.md)
- [Data Types](https://notes.tejpratapsingh.com/_/cpp/code/data-types.md)
- [Enum](https://notes.tejpratapsingh.com/_/cpp/code/data-types/enum.md)
- [TypeDef](https://notes.tejpratapsingh.com/_/cpp/code/data-types/typedef.md)
- [const in c++](https://notes.tejpratapsingh.com/_/cpp/code/data-types/const-in-c++.md)
- [extern vs inline](https://notes.tejpratapsingh.com/_/cpp/code/data-types/extern-vs-inline.md)
- [Casting](https://notes.tejpratapsingh.com/_/cpp/code/casting.md)
- [Operator overloading](https://notes.tejpratapsingh.com/_/cpp/code/operator-overloading.md)
- [Available Operators](https://notes.tejpratapsingh.com/_/cpp/code/operator-overloading/available-operators.md)
- [Examples of operator overloading](https://notes.tejpratapsingh.com/_/cpp/code/operator-overloading/examples-of-operator-overloading.md)
- [Namespace](https://notes.tejpratapsingh.com/_/cpp/code/namespace.md)
- [Namespace Example](https://notes.tejpratapsingh.com/_/cpp/code/namespace/namespace-example.md)
- [Using directive](https://notes.tejpratapsingh.com/_/cpp/code/namespace/using-directive.md)
- [Header File](https://notes.tejpratapsingh.com/_/cpp/code/header-file.md)
- [For C++ Classes](https://notes.tejpratapsingh.com/_/cpp/code/header-file/for-c++-classes.md)
- [Structure](https://notes.tejpratapsingh.com/_/cpp/code/structure.md): Collection of different data types
- [Struct vs Class](https://notes.tejpratapsingh.com/_/cpp/code/structure/struct-vs-class.md)
- [Public vs Private inheritance](https://notes.tejpratapsingh.com/_/cpp/code/structure/public-vs-private-inheritance.md)
- [Classes](https://notes.tejpratapsingh.com/_/cpp/code/classes.md)
- [Friend Function](https://notes.tejpratapsingh.com/_/cpp/code/classes/friend-function.md)
- [Copy Constructor](https://notes.tejpratapsingh.com/_/cpp/code/classes/copy-constructor.md)
- [Explicit Constructor](https://notes.tejpratapsingh.com/_/cpp/code/classes/explicit-constructor.md)
- [Move Constructor](https://notes.tejpratapsingh.com/_/cpp/code/classes/move-constructor.md)
- [Move Semantics](https://notes.tejpratapsingh.com/_/cpp/code/classes/move-constructor/move-semantics.md)
- [Other constructors](https://notes.tejpratapsingh.com/_/cpp/code/classes/other-constructors.md)
- [Virtual functions](https://notes.tejpratapsingh.com/_/cpp/code/classes/virtual-functions.md)
- [Pure virtual function](https://notes.tejpratapsingh.com/_/cpp/code/classes/pure-virtual-function.md): Interface/abstract classes in c++
- [Other function declaration](https://notes.tejpratapsingh.com/_/cpp/code/classes/other-function-declaration.md)
- [const function vs final function](https://notes.tejpratapsingh.com/_/cpp/code/classes/const-function-vs-final-function.md)