Questions tagged [enable-shared-from-this]
36 questions
0
votes
0 answers
Ownership sharing with smart pointers while object initialization
I have a class A that has a member pointer to class B:
class A
{
public:
A()
{
m_b = createB();
}
std::shared getSpB()
{
return m_b;
}
private:
std::shared m_b;
};
class B
{
public:
B()…
nickname
- 35
- 6
0
votes
1 answer
Why doesn't std::enable_shared_from_this use a mutable std::weak_ptr?
I understand that most std library implementations choose to implement std::enable_shared_from_this by storing a std::weak_ptr in the base class. This leads to the following:
#include
class Foo : public…
Joshua W
- 1,103
- 12
- 29
0
votes
1 answer
Assertion to enforce creation of object as shared_ptr?
When using std::shared_ptr it can often be useful to make use of std::enable_shared_from_this so that you have access to the shared_from_this() function.
One requirement of using shared_from_this() is that all instances of the object are…
Adam Stark
- 422
- 1
- 5
- 12
0
votes
1 answer
Empty weak pointer in enable_shared_from_this
After publicly inheriting enable_shared_from_this and initialzing the object of class, while calling another function of that class, i can still see empty weak pointer of enable_shared_from_this_class while debugging in Visual Studio.
All existing…
Piyush Gupta
- 11
- 3
-1
votes
1 answer
swap method for a class inherited from enable_shared_from_this<...>
I have implemented a swap method for my class that inherits from enable_shared_from_this<...>
class X : public enable_shared_from_this {
int x;
friend void swap(X& x1, X& x2) {
using std::swap;
swap(x1.x, x2.x);
}
…
traveh
- 2,700
- 3
- 27
- 44
-1
votes
1 answer
enable_shared_from_this returns bad_weak_ptr error
I am using boost library in my project. While I was writing rest http client code I got this error.
libc++abi.dylib: terminating with uncaught exception of type std::__1::bad_weak_ptr: bad_weak_ptr
template
21 class Http: public…
wwwwe
- 127
- 1
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