How can you pass a struct by reference in e, Computer Engineering

Assignment Help:

How can you pass a struct by reference in e? 

 The question is phrased in a tricky way because passing by reference is the default and only possible way to pass structs in e. In other words, each time you call a method with a struct parameter, the method gets the original copy, and any modifications it does will persist even after it returns. To pass a struct by value you can use deep_copy() to clone it. In C/C++ you could stop a calling function from modifying a parameter by explaining that function parameter as const. It is too bad that doesn't support const as well...   

 


Related Discussions:- How can you pass a struct by reference in e

Why the tcp checksum is necessary, Is the TCP checksum necessary? Yes, ...

Is the TCP checksum necessary? Yes, TCP Checksum is essential. TCP layer is liable for error detection, transmission of packets if needed, error control, reassembly of packe

Explain point-to-point message passing, Q. Explain Point-to-point Message P...

Q. Explain Point-to-point Message Passing? In point to point message passing, one process transmits/receives message from/to another process. There are four communication modes

#microprocessor, Program to transfer 10 byte of data from DMS to EMS using ...

Program to transfer 10 byte of data from DMS to EMS using 8086 instructions

Describe about digital audio tape, Q. Describe about Digital Audio Tape? ...

Q. Describe about Digital Audio Tape? The most proper tape for backing up data from a disk today is Digital Audio Tape (DAT). It employs a 4mm tape covered in a cartridge. It e

What are parity generator and checker, What are parity generator and checke...

What are parity generator and checker? Ans: While a digital signal is transmitted, this may not be received correctly through the receiver. At the receiving end this may o

Web service as opposed to a non-serviced, Can you give an example of when i...

Can you give an example of when it would be appropriate to use a web service as opposed to a non-serviced .NET component? A web service has the following characteristics:  1

Explain the term - instruction execution, Explain the term - Instruction ex...

Explain the term - Instruction execution We  know  that  the  fundamental  function  performed  by  a  computer  is  the  execution  of  program. The program that is to be exec

Determine the simplified sop boolean expression, The Karnaugh map for a SOP...

The Karnaugh map for a SOP function is given below in figure. Determine the simplified SOP Boolean expression. Ans. F= B'C' + A'C'D + B'D'

State about movable joystick, State about movable joystick In another t...

State about movable joystick In another type of movable joystick, the stick is used to activate switches that cause the screen cursor to move at a constant rate in the selected

Define alphabet and string, Define Alphabet and String? A finite set of...

Define Alphabet and String? A finite set of symbols is termed as alphabet. An alphabet is frequently signified by sigma, yet can be specified any name. B = {0, 1} here B is

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd