default-copy-constructor Questions

7

Solved

I have a struct, MyStruct, that has a private member private bool[] boolArray; and a method ChangeBoolValue(int index, bool Value). I have a class, MyClass, that has a field public MyStruct bools...
Catamenia asked 5/7, 2012 at 1:35

7

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I used to think C++'s object model is very robust when best practices are followed. Just a few minutes ago, though, I had a realization that I hadn't had before. Consider this code: class Foo { st...
Leniency asked 7/6, 2015 at 0:23

2

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Given: class Foo { private: static int cntFoos; //... stuff... public: Foo() { cntFoos++; } ~Foo() { cntFoos--; } }; ... where "stuff" may be any set of properties. (The idea is to have a...

4

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I want to make some classes use automatically generated constructors, but be non-copyable (but still movable). Currently I'm doing it like this: class A { public: A() = default; A(const A&) ...
Dinadinah asked 18/5, 2014 at 13:32

1

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As per C++11 rules 6 things (default constructor, copy constructor, move constructor, copy assignment, move assignment and destructor ) are generated by default. By second rule, when any custom cop...
Illene asked 24/10, 2013 at 7:23

2

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Sorry for the overly ambiguous title.(due to the lack of my English skill). Please suggest a better title. Please consider the following code. struct A { typedef std::vector<double> State...
Alleneallentown asked 6/6, 2013 at 2:19

2

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In C++, if I define a copy constructor and operator= that take a non-const reference to the class, is the compiler supposed to still supply default versions for const reference? struct Test { Tes...

3

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Possible Duplicate: How do I copy an object in Java? I need to copy an object in Java (i.e. copy the object "by value not by reference" so that the new object is not just a reference ...
Groves asked 29/6, 2010 at 20:57

1

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According to N2628 related to c++0x, non-static data member initializers can be overridden by explicitly defined constructors, but it appears to be slightly nebulous about the implicitly defined co...
Teammate asked 21/11, 2011 at 20:53

5

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I am just experimenting with the references using this code: class A { }; class B { public: B(A& a): m_a(a){} A& m_a; }; int main() { A a; B b(a); B b1 = b; } I was expecting bot...
Conidiophore asked 25/5, 2011 at 6:8

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I know that the compiler sometimes provides a default copy constructor if you don't implement yourself. I am confused about what exactly this constructor does. If I have a class that contains other...
Fairman asked 27/11, 2009 at 18:41
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