Question: The parameter to the copy constructor is a const reference. Sometimes you use a const reference instead of pass - by - value for reasons

The parameter to the copy constructor is a const reference. Sometimes you use a const reference instead of pass-by-value for reasons of efficiency, but in the case of a copy constructor, there is an even more fundamental reason why pass-by-value CANNOT be used. Why is that?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

Q:

Part A: Convert the Tile Module to a Class [35% = 24% test program + 11% code] In Part A, you will convert the Tile type to an encapsulated class. You will also add a class invariant that requires...

Q:

In Part B, you will convert your board module to an encapsulated class. The Board class will not have a class invariant. By the end of Part B, your Board class will have the following public member...

Q:

Part B: The Board Class [25% = 15% test program + 10% documentation] In Part B, you will convert your board module to an encapsulated class. The Board class will not have a class invariant. By the...

Q:

In Part B, you will convert your board module to an encapsulated class. The Board class will not have a class invariant. By the end of Part B, your Board class will have the following public member...

Q:

Not entirely sure if answer is correct. You can select more than one answer if appropiate. 1 point Copy constructors have a special signature, for example class Rational public: 1/Copy constructor...

Q:

Create prohic.h and prohic.cc file phobicmust have the followingpublicmethods: Phobic( optionalint ) This constructor sets its current value to the argument, or zero if no argument given. Only the...

Q:

C++ HELP . . Problem: I don't know why, but I keep getting these errors. It's getting really frustrating! I would appreciate the help. Errors . Severity Code Description Project File Line Suppression...

Q:

Please use Networking for this problem. Problem: - private variable and member function: - Variables number of rows, number of columns, type_double pointer to pointer m for the matrix (** m), you can...

Q:

I need help with this problem very urgent!! I will give the best rating please help me solve the following c++ problems. The questions are highlighted. Please help and explain!! I need you to use the...

Q:

I have included the code for the .h and unit tester .cpp. C++ language is preferred. //Bring in unit testing code and tell it to build a main function #define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN...

Q:

Calculate the change in cash for the following information: Increase in AR Decrease in Inventory Decrease in Accounts Payable Increase in Taxes Payable Issued Long Term Debt Issued Common Shares...

Q:

A machine cost $500,000 on April 1, 2008. Its estimated salvage value is $50,000 and its expected life is eight years. Calculate the depreciation expense (to the nearest dollar) by each of the...

Q:

Karen's employer contributes to her HSA, but she wants to make her own contributions and is curious about the tax benefits of these contributions. What tax advantages does Karen receive from...

Q:

What key strategies has CVS been pursuing? Business-level strategies (cost leader vs differentiator vs both, product/process innovation) and corporate-level strategies (vertically integrate, alliance