Questions about copy-elision
Read more about copy-elision
python (65.1k questions)
javascript (44.2k questions)
reactjs (22.7k questions)
java (20.8k questions)
c# (17.4k questions)
html (16.3k questions)
r (13.7k questions)
android (12.9k questions)
Demonstrating Move Constructor Usefulness
I am trying to demonstrate the usefulness of move constructors in eliminating unnecessary copying.
However, when I run in Release, the visual studio optimizer elids the copy. No copy constructor is ca...
Gonen I
Votes: 0
Answers: 3
gcc: invalid error "use of deleted function" (copy constructor)?
Simplified issue:
#include <stdio.h>
class X
{
public:
int a = 0;
X() { printf("constr-def %d\n", a); }
X(int i):a(i+1) { printf("constr-i %d\n", a); }
int op...
kxr
Votes: 0
Answers: 1
Copy elision in initializer list?
Consider this class
class A {
public:
tracker tra;
A(tracker _t) : tra(_t) {}
};
And call it through
A a {tracker()};
The object created by tracker() is never used until being stored in a.tr...
aleck099
Votes: 0
Answers: 1
Why destructor is called if the return operation is elided?
I have the following code that mimics an elision testcase
class Obj
{
public:
int x = 0;
Obj(int y) : x(y) {std::cout << "C\n"; }
~Obj() { std::cout << "D\n"; }...
Matteo Galeotti
Votes: 0
Answers: 1