May 2012
Intermediate to advanced
679 pages
16h 56m
English
Content preview from Object Oriented Programming with C++, Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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7.3 BINARY OPERATOR OVERLOADING
Just like unary operators, binary operators can also be overloaded. A binary operator takes two operands. The rule in operator overloading is that one of the operands must be an object. (Well in its absence, you are redefining what is 2 + 2. No language designer will allow you to do that.)
This leads to three distinct cases or types of binary operator overloading.
Case (1) Object + object
Case (2) Object + basic data type (say int )
Case (3) Basic data type (say int ) + object
Let us discuss all these cases one by one.
7.3.1 Case 1: object + object
It is natural to assume that both objects belonging to same class. Consider that we want to overload operator + with both objects of class Complex. It will imply that ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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