nullptr, the pointer literal (since C++11) - cppreference.com
Aug 12, 2024 · There exist implicit conversions from nullptr to null pointer value of any pointer type and any pointer to member type. Similar conversions exist for any null pointer constant, which includes …
What is the nullptr keyword, and why is it better than NULL?
The new C++09 nullptr keyword designates an rvalue constant that serves as a universal null pointer literal, replacing the buggy and weakly-typed literal 0 and the infamous NULL macro. nullptr thus puts …
Understanding nullptr in C++ - GeeksforGeeks
Apr 5, 2024 · How does nullptr solve the problem? In the above program, if we replace NULL with nullptr, we get the output as "fun (char *)". nullptr is a keyword that can be used at all places where …
nullptr | Microsoft Learn
Aug 3, 2021 · The nullptr keyword specifies a null pointer constant of type std::nullptr_t, which is convertible to any raw pointer type. Although you can use the keyword nullptr without including any …
C++ (C Plus Plus) | Pointers | nullptr | Codecademy
Nov 20, 2024 · The nullptr keyword in C++ represents a null pointer, ensuring type safety and clarity in pointer operations. Introduced in C++11, it replaces the traditional NULL macro and eliminates …
12.8 — Null pointers – Learn C++ - LearnCpp.com
Feb 5, 2025 · Much like the keywords true and false represent Boolean literal values, the nullptr keyword represents a null pointer literal. We can use nullptr to explicitly initialize or assign a pointer a null value.
Understanding nullptr in C++: The Elegant Solution to Null Pointer Woes
May 20, 2025 · nullptr is a keyword that represents a null pointer literal. It's of type std::nullptr_t, which is implicitly convertible to any pointer type but not to integral types (except bool).
Predefined null pointer constant (since C23) - cppreference.net
Syntax ... Explanation The keyword nullptr denotes a predefined null pointer constant. It is a non-lvalue of type nullptr_t . nullptr can be converted to a pointer types or bool , where the result is the null …
nullptr in C++ - Online Tutorials Library
The nullptr keyword in C++ represents a null pointer value which was earlier represented using NULL or 0. It was introduced in C++11 and is of type std::nullptr_t. The nullptr is a type-safe pointer that is …
c++ - NULL vs nullptr (Why was it replaced?) - Stack Overflow
In pre-standard code, NULL was/is sometimes defined to something unsuitable and therefore had/has to be avoided. That's less common these days. If you have to name the null pointer, call it nullptr; that's …