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1 files changed, 0 insertions, 58 deletions
-rw-r--r--Smart_pointers/1. uniqe_ptr58
diff --git a/Smart_pointers/1. uniqe_ptr b/Smart_pointers/1. uniqe_ptr
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--- a/Smart_pointers/1. uniqe_ptr
+++ /dev/null
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-/******************************************************************************
-
- Online C++ Compiler.
- Code, Compile, Run and Debug C++ program online.
-Write your code in this editor and press "Run" button to compile and execute it.
-
-*******************************************************************************/
-
-#include <iostream>
-#include <memory>
-
-using namespace std;
-
-class Test
-{
-public:
- Test()
- {
- cout<<"Test()"<<endl;
- }
- Test(const Test& other)
- {
- cout<<"Copy constructor"<<endl;
- }
- Test& operator=(const Test& other)
- {
- cout<< "Assignment operator" <<endl;
- }
- ~Test()
- {
- cout<<"Detructor"<<endl;
- }
-
-};
-int main()
-{
- {
- unique_ptr<Test> smart_pointer_1(new Test()); //Test()
-
- Test* obj = smart_pointer_1.get(); //От тук иматаме достъп до паметта, към която сочи пойнтера.
- //delete obj; // Това не трябва да се прави! smart_pointer_1 не знае, че паметта е освободена и ще се опита да я освободи, което ще доведе до грешка!
-
- } //Test (Паметта се освобождава сама)
-
- {
-
- unique_ptr<Test> smart_pointer_2(new Test());
-
- unique_ptr<Test> smart_pointer_3 = move(smart_pointer_2);
- // unique_ptr<Test> smart_pointer_3(smart_pointer_2); //този синтаксис (както и оператор =) не е валиден! Те бяха валидни в стария и не толкова иползван auto_ptr.
-
- smart_pointer_2.get(); // Това ще даде NULL, защото smart_pointer_3 "открадна" обекта на smart_pointer_2
-
- }
-
-
- return 0;
-}