Feb 12, 2012 · Could someone explain to me what the "->" means in C++? Examples if you can, they help me understand better. Thanks.

Apr 22, 2022 · The use of both operators can be replaced since C++17 by the std::invoke function template. std::invoke provides a unified way of dereferencing member pointers regardless of whether …

Mar 17, 2011 · 16 In C++ the :: is called the Scope Resolution Operator. It makes it clear to which namespace or class a symbol belongs.

In c++ however you gotta be a little more careful with remembering what is and what isn't a pointer, and it might be a good idea to label them with the prefix "p_" or simply "p".

What does the question mark character ('?') mean in C++? Asked 16 years, 10 months ago Modified 4 years, 1 month ago Viewed 355k times

A fine question, but a little too broad (IMO). That's called the scope-resolution operator, and your search term for further learning is scope. All those names (cout, member functions of A) are defined in …

So generally, if you want to use an output parameter (or a pointer/reference in general) in a C++ function, and passing a null value to that parameter should be allowed, then use a pointer (or smart …

362 && is new in C++11. int&& a means "a" is an r-value reference. && is normally only used to declare a parameter of a function. And it only takes a r-value expression. If you don't know what an r-value is, …

Dec 28, 2015 · I find it weird C++ doesn't allow bitwise operations on floats, although one can say they don't make much sense, these are still bit sequences, and one can do arithmetic on them.

Nov 18, 2010 · What does the |= operator mean in C++? It is a bitwise OR compound assignment. In the same way as you can write x += y to mean x = x + y you can write x |= y to mean x = x | y, which …