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Why Ternary Operator Cannot Be Overloaded


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In order to call this method the language would have to evaluate both expr1 and expr2 hence they are no longer conditionally evaluated. In: History of Asia Answer it! What happened to the students who prepared for Song civil service exams? Privacy Policy | Terms and Conditions

Operators That Cannot Be Overloaded In C++

I just didn't see the need to introduce the special case of overloading a ternary operator. OneStopIAS.com - IAS EBooks, Tutorials, Articles, FAQs, Jobs, Training Institutes etc. Your answer Writing Code?

Merge this question into Split and merge into it SAVE CANCEL Edit Answer by Peter Forrest Confidence votes 6.1K No. In: Adult Movies Answer it! more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed We Can Change The Basic Meaning Of An Operator In C++ View Answer Can you explain the term "resource acquisition is initialization?" - Operators in C++ Interview Questions & Answers"> View Answer What is the difference between operator new and the new

P: 1 velvizhi why the operators like scope resolution operator,conditional operator,size of operator cant be overloaded? Why Some Operators Cannot Be Overloaded In C++ Is it possible to check where an alias was defined? How do you enchant items with Lapis Lazuli? Post your question and get tips & solutions from a community of 418,797 IT Pros & Developers.

With the variety of outfits available (MORE) Aaron McClellan Supervisor C++ Programming 8 CONTRIBUTIONS Human Resources guy for Answers VIEW BIO HIDE BIO Categories you should follow Health Follow Relationships Follow Which Operator Cannot Be Overloaded In C# int a,b,c; a=10; b=11; c = (a>b) ? That's not how the built-in ternary operator works - it only calculates one of those values, which is why you can write things like: return p == NULL ? 23 : only static operators?

Why Some Operators Cannot Be Overloaded In C++

Send feedback Contact UsAdvertise with Us About Us ... 418,797 Members | 1,100 Online Join Now login Ask Question Home Questions Articles Browse Topics Latest Top Members FAQ home OneStopGate.com - Gate EBooks, Tutorials, Articles, FAQs, Jobs, Training Institutes etc. Operators That Cannot Be Overloaded In C++ Defining ?: as a token (even though it's only used in one place) isn't exactly rocket science. Which Operator Cannot Be Overloaded In C++ Using Friend Function In: Biology Answer it!

Professor Lewin: "Which string will break?" / Me: "That one." / Professor Lewin: "Wrong!" How to handle a common misconception when writing a Master's thesis? http://macinstruct.net/cannot-be/which-function-operator-cannot-be-overloaded-in-c.html Sharepoint 2013: Rest API - does header need to include X-RequestDigest? Just practice any of the follo…wing a few times a day with your dog. (MORE) Earnest Strews Anywhere But The Roof: Best Methods for Traveling With a Dog While traveling with For example: class Y { public: void f(); // ... }; class X { // assume that you can overload . Why Scope Resolution Operator Cannot Be Overloaded

Source: CoolInterview.com Answered by: pratik arya | Date: 4/25/2010 | Contact pratik arya these operators are not used in other meanigful restriction
for example + used in addition and sign that operators Source: CoolInterview.com Answered by: Ankur Bamby | Date: | Contact Ankur Bamby Nice answer, but it does not suite for :? What is the impact of Big Data on Technology Industry? Check This Out Someone peeled an American flag sticker off of my truck.

What is the use of copy constructor? Describe Operator Overloading. Which Are The Operators That Cannot Be Overloaded I did see the the question linked as a potential duplicate, but did not find any responses there that answered my question. –Paul Renton Jul 30 '13 at 17:30 add a One could imagine allowing overloading of x::y where x is an object rather than a namespace or a class, but that would - contrary to first appearances - involve introducing new

and .*) the results must always be predictable because built-in operators and functions rely on them so heavily.

Source: CoolInterview.com Answered by: jitendra singh | Date: 1/26/2008 | Contact jitendra singh According to Bjarne Stroustrup, the operators ., .* ,:?, :: & sizeof() cannot be overloaded as they take In order to support ternary the operator would either need to Take a lambda for each value so it could produce them on demand. View Answer What is a scope resolution operator? Which Operator Can Replace The If Statement In The Program? So the motivation to support it is even less than it was originally.

Unanswered Tags Users Ask a Question Ask a Question Start Coding Today GeeksQuiz GeeksforGeeksIDE Data Structures Algorithms Interview Experiences C Programming C++ Programming Java Programming GATE CS GATE It is not obvious what benefits such a complication would bring.

Operator . (dot) could in principle be overloaded using the same technique as used for ->. Y* p; Y& operator.() { return *p; } void f(); // ... }; void g(X& x) { x.f(); // X::f or Y::f or error? } This problem can be solved in http://macinstruct.net/cannot-be/which-of-the-operator-cannot-be-overloaded.html Note that a function overloading expr1?expr2:expr3 would not be able to guarantee that only one of expr2 and expr3 was executed.

Sizeof cannot be overloaded because built-in operations, such as incrementing a

expr1 : expr2 In this example expr1 is only evaluated if cond is true while expr2 is only evaluated if cond is false. How do I make an alien technology feel alien? share|improve this answer answered Jul 30 '13 at 17:26 Marshall Clow 5,635826 9 The same reasoning holds for && and ||, which you can overload. –James Kanze Jul 30 '13 It is an if-else statement, how can you change it in any meaningful way? –Mats Petersson Jul 30 '13 at 17:27 1 Thanks for the comments and link.

What is the impact of Big Data on Retail Industry? However, doing so can lead to questions about whether an operation is meant for the object overloading . It is syntactically not possible to do. Voting to close this. –sbi Feb 24 '12 at 11:48 add a comment| 3 Answers 3 active oldest votes up vote 5 down vote accepted Several operators cannot be overloaded.