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Programming in C++, 2nd Edition
book

Programming in C++, 2nd Edition

by Kamthane
April 2024
Intermediate to advanced
904 pages
28h 48m
English
Pearson India
Content preview from Programming in C++, 2nd Edition
216 Functions in C++
7.4.2 Rvalues (Right Values)
The statement x + y is not an lvalue, x + y = z is invalid because the expression on the left is not
related to a variable. Such expressions are often called rvalues.
7.5 RETURN BY REFERENCE
We have studied the reference variable and it’s functioning. A reference allows creating alias for
the pre-existing variable. A reference can also be returned by the function. A function that returns
reference variable is in fact an alias for referred variable. This technique of returning reference
is used to establish cascade of member functions calls in operator overloading. Consider the fol-
lowing example: ...
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Publisher Resources

ISBN: 9789332520288