StackOverflow Questions for Tag: weak-ptr

Georg P.

Reputation: 3164

Mutual dependency of two objects

c++dependenciesaggregationweak-referencesweak-ptr

Score: 3

Answers: 4

Neil Stephens

Reputation: 147

Is it valid to static_cast 'weak_ptr<SomeThing>' to 'void' then back to 'weak_ptr<void>*' , or do I need to use static_pointer_cast?

c++luashared-ptrweak-ptr

Score: 1

Answers: 1

notadam

Reputation: 2854

Why can't a weak_ptr be constructed from a unique_ptr?

c++shared-ptrsmart-pointersunique-ptrweak-ptr

Score: 88

Answers: 10

wcochran

Reputation: 10896

Why is the weak reference count of a std::shared_ptr not zero after std::make_shared invoked?

c++shared-ptrsmart-pointersweak-ptrenable-shared-from-this

Score: 0

Answers: 0

LKB

Reputation: 189

'std::bad_weak_ptr' error while using shared_from_this

c++c++11shared-ptrweak-ptrenable-shared-from-this

Score: 0

Answers: 2

Igor G

Reputation: 2361

Why is empty weak_ptr required to store null pointer, while empty shared_ptr is allowed to store non-null pointer?

c++c++17weak-ptr

Score: 4

Answers: 1

Rish

Reputation: 693

std::bad_weak_ptr after inheriting from class that inherits from std::enable_shared_from_this

c++c++20shared-ptrsmart-pointersweak-ptr

Score: 2

Answers: 1

Sean

Reputation: 1

Can a unique_ptr be moved when referenced by a weak_ptr?

c++smart-pointersunique-ptrweak-ptrstdmove

Score: 0

Answers: 0

user1404617

Reputation: 605

How to make a c++11 std::unordered_set of std::weak_ptr

c++c++11stdunordered-setweak-ptr

Score: 17

Answers: 4

Immanuel Kant

Reputation: 527

How does std::weak_ptr store its "use_count" information?

c++countreferenceshared-ptrweak-ptr

Score: 1

Answers: 1

Peter Fletcher

Reputation: 157

Why must the lock() function be used with a std::weak_ptr to safely extract the std::shared_ptr?

c++shared-ptrweak-ptr

Score: 1

Answers: 3

Liviu Dorobantu

Reputation: 57

Make do without weak_ptr

c++shared-ptrweak-ptr

Score: 0

Answers: 3

JohannesWilde

Reputation: 144

How to compute hash of aliased std::weak_ptr?

c++c++11unordered-mapweak-ptr

Score: 0

Answers: 0

Boris Dalstein

Reputation: 7748

Python bindings for node-based tree structure

c++polymorphismshared-ptrweak-ptrpybind11

Score: 2

Answers: 1

Linas

Reputation: 782

How to compute hash of std::weak_ptr?

c++hashweak-ptr

Score: 4

Answers: 2

Immanuel Kant

Reputation: 527

What's the use-case that, 2 weak_ptr share ownership while raw pointer are different?

c++pointerslessweak-ptrowner

Score: 1

Answers: 0

Troskyvs

Reputation: 8047

How to prove c++11 make_shared() can keep shared_ptr's control block alive even after its dtor?

c++referenceshared-ptrweak-ptrmake-shared

Score: 0

Answers: 2

Amir Mokhammed-Ali

Reputation: 67

ControlBlock member of weak_ptr

c++oopshared-ptrsmart-pointersweak-ptr

Score: 0

Answers: 0

Croolman

Reputation: 1123

How to not allow conversion from temporary shared_ptr to weak_ptr for derived types

c++inheritancec++20weak-ptr

Score: -2

Answers: 1

Croolman

Reputation: 1123

How to ensure a weak_ptr is not created from a temporary shared_ptr?

c++c++20type-traitsc++-conceptsweak-ptr

Score: 5

Answers: 1

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StackOverflow Questions for Tag: weak-ptr

Mutual dependency of two objects

Is it valid to static_cast &#39;weak_ptr&lt;SomeThing&gt;*&#39; to &#39;void*&#39; then back to &#39;weak_ptr&lt;void&gt;*&#39; , or do I need to use static_pointer_cast?

Why can&#39;t a weak_ptr be constructed from a unique_ptr?

Why is the weak reference count of a std::shared_ptr not zero after std::make_shared invoked?

&#39;std::bad_weak_ptr&#39; error while using shared_from_this

Why is empty weak_ptr required to store null pointer, while empty shared_ptr is allowed to store non-null pointer?

std::bad_weak_ptr after inheriting from class that inherits from std::enable_shared_from_this

Can a unique_ptr be moved when referenced by a weak_ptr?

How to make a c++11 std::unordered_set of std::weak_ptr

How does std::weak_ptr store its &quot;use_count&quot; information?

Why must the lock() function be used with a std::weak_ptr to safely extract the std::shared_ptr?

Make do without weak_ptr

How to compute hash of aliased std::weak_ptr?

Python bindings for node-based tree structure

How to compute hash of std::weak_ptr?

What&#39;s the use-case that, 2 weak_ptr share ownership while raw pointer are different?

How to prove c++11 make_shared() can keep shared_ptr&#39;s control block alive even after its dtor?

ControlBlock member of weak_ptr

How to not allow conversion from temporary shared_ptr to weak_ptr for derived types

How to ensure a weak_ptr is not created from a temporary shared_ptr?

Is it valid to static_cast 'weak_ptr<SomeThing>' to 'void' then back to 'weak_ptr<void>*' , or do I need to use static_pointer_cast?

Why can't a weak_ptr be constructed from a unique_ptr?

'std::bad_weak_ptr' error while using shared_from_this

How does std::weak_ptr store its "use_count" information?

What's the use-case that, 2 weak_ptr share ownership while raw pointer are different?

How to prove c++11 make_shared() can keep shared_ptr's control block alive even after its dtor?