August 2012
Intermediate to advanced
976 pages
30h 17m
English
Content preview from C++ Primer, Fifth Edition
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13.6.1. Rvalue References
To support move operations, the new standard introduced a new kind of reference, an rvalue reference. An rvalue reference is a reference that must be bound to an rvalue. An rvalue reference is obtained by using && rather than &. As we’ll see, rvalue references have the important property that they may be bound only to an object that is about to be destroyed. As a result, we are free to “move” resources from an rvalue reference to another object.
Recall that lvalue and rvalue are properties of an expression (§ 4.1.1
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