Named Variables and rvalues
Learn about the fundamentals of named variables and rvalues.
We'll cover the following
Concept of named variables and rvalues
So, when is the compiler allowed to move objects instead of copying? As a short answer, the compiler moves an object when the object can be categorized as an rvalue. The term rvalue might sound complicated, but in essence, it is just an object that is not tied to a named variable for either of the following reasons:
It's coming straight out of a function
We make a variable an rvalue by using
std::move()
The following example demonstrates both of these scenarios:
Get hands-on with 1200+ tech skills courses.