template <typename T> void val_func(T t) {} val_func(nullptr); // deduces T = nullptr_t val_func((int*)nullptr); // deduces T = int*, prefer static_cast though 5️⃣ Conversion to bool from nullptr_t From cppreference :- In the context of a direct-initialization, a bool...
How to tell if a .lib file is a static library or an import library of a .dll? How to tell if a .lib or .dll is built under Debug or Release configuration? How to use 32-bit library in 64-bit application. How to use a Richtextbox in Cpp... How to use a static std::map...
The above code defines a functionprintIntthat takes a void pointer num as a parameter and casts it to an integer pointer using thestatic_cast operator. The function then prints the value of the integer pointed to by the casted pointer. In the main function, an integer variable x is defined...
https://www.modernescpp.com/index.php/first-class-functions https://lispcast.com/what-are-first-class-functions/ Closure and Lamda expression in c++ Go back to the previous question: why function object is not exactly a closure in c++? As C++ does not allow defining functions and objects ...
A static data member(s) is the data member(s) that gets memory only once for whole class, no matter how many object(s) of a class is created.
a function declared as a friend of a class will be able to access the private data of that class. The declaration of friend function can be placed anywhere in the class specification irrespective of access specifiers. The friend function definition is specified outside the class body and is ...
What is Class in C Plus Plus: Uncover the fundamental concepts in object-oriented programming. Learn how to use them to build robust software applications through this blog.
What should I do if garbled characters are displayed in HiLog information? How do I analyze fault logs (such as JSCrash, CppCrash, and Appfreeze)? How do I locate the fault when the application crashes? Which one is recommended for logging, HiLog or console? How do I set the dom...
staticvoidSetVerbosity(LogPriority new_priority){ verbosity = new_priority; } This allows the level of detail in the log to be changed dynamically. This is a great way to abstract away unnecessary information from end users without removing the developer’s ability to effectively debug. ...
4) What is a friend function? What is the difference between a friend function and a regular member function of a class? Object-oriented programming: Object-oriented programming is the most dramatic innovation in software development based on the conce...