C++ Tip : Binding a Reference to an Rvalue

Rvalues and lvalues are a fundamental concept of [link=http://learnbyexamples.org]C++ programming[/link]. In essence, an rvalue is an expression that cannot appear on the left-hand side of an assignment expression. By contrast, an lvalue refers to an object (in its wider sense), or a chunk of memory, to which you can write a value. References can be bound to both rvalues and lvalues. However, due to the language
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