Feb 12, 2012 · as with almost all operators in C++ you should make the addendum that both * and -> can be overloaded so (*a).b and a->b although usually the same have no guarantee of …

C++17 — Using std::invoke() instead 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 …

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

A qualified id-expression is an unqualified id-expression prepended by a scope resolution operator ::, and optionally, a sequence of enumeration, (since C++11)class or namespace names or …

in CLang (at least the most recent versions) this extension is also available. It's available even with C++11 flag turned off in a qmake project. So an expression like int x = 1+1 ? : 0 ; correctly …

Dec 28, 2015 · The operators |, &, and ~ act on individual bits in parallel. They can be used only on integer types. a | b does an independent OR operation of each bit of a with the …

Also note that C and C++ do not distinguish between the right shift operators. They provide only the >> operator, and the right-shifting behavior is implementation defined for signed types. The …

is that in the former case you are guaranteed that myname is non-null, since C++ does not allow NULL references. Since you are passing by reference, the object is not copied, just like if you …

This is such a large number that no other number (at least in c++) can be greater than it. But obviously since we are converting to a type (int), which at max can hold a value 2147483647. …

Jan 18, 2012 · @zzzzBov: yes - there's always that caveat in C++; but if 'a' and 'b' are integers, then I think you're safe. And if you work with classes where the overloads are wonky and don't …