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private static variable in struct


private static variable in struct

By : Kasaragadda Srinu
Date : November 22 2020, 10:38 AM
around this issue The private access modifier makes a declaration private to the file and not to the class or struct. That sounds a little weird, I know, but it's how it's implemented in swift.
The other 2 access modifiers are:
code :


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What is the difference between private static variable and private instance variable in a singleton class?

What is the difference between private static variable and private instance variable in a singleton class?


By : Chris Smith
Date : March 29 2020, 07:55 AM
Any of those help The way I see it, there is only "no semantic difference" if you assume that the singleton is implemented using a static reference to the single instance. The thing is, static is just one way to implement a singleton — it's an implementation detail. You can implement singletons other ways, too.
how do i initialize a class' private member static map whose value is a struct?

how do i initialize a class' private member static map whose value is a struct?


By : stancki
Date : March 29 2020, 07:55 AM
hop of those help? I have a class whose private member is a static map: , With this line:
code :
map<string, Devices::DevicePair> Devices::m_SYSdeviceMap;
Declare / initialize static member of private nested struct

Declare / initialize static member of private nested struct


By : Amal Maitra
Date : March 29 2020, 07:55 AM
will be helpful for those in need I have this example code (in a file named A.cpp): , This line
code :
O::S s { 0, 1 };
O::S O::s { 0, 1 };
Alias the definition of a static member from a private sub-struct

Alias the definition of a static member from a private sub-struct


By : Yao Sun
Date : March 29 2020, 07:55 AM
like below fixes the issue Background ,
Why doesn't [B] work, while [A] does?
code :
 using namespace foo::bar;
 const int MyClass::Data::i = 42;
class MyClass {
    class MySubClass{
        friend class MyClass;
        class MySubSubClass{
            friend class MyClass;
            class PrivateDataStruct {
                static const std::vector<std::string> vecOfStr;
                // ...
            };
            // ...
        };
        // ...
    };
    using inner = MySubClass::MySubSubClass::PrivateDataStruct;
public:
    // ...
};
const std::vector<std::string>
foo::bar::baz::MyClass::MySubClass::MySubSubClass::PrivateDataStruct::vecOfStr = {/*…*/};
using namespace foo::bar::baz;

const std::vector<std::string> MyClass::inner::vecOfStr = {/*…*/};
What's the difference between a private variable in Java and a private variable in a C++ struct?

What's the difference between a private variable in Java and a private variable in a C++ struct?


By : Thomas.C
Date : October 10 2020, 02:00 PM
With these it helps With very few exceptions, private variables in C++ and Java work similarly. Specifically, in general, those variables can only be accessed by member functions of the class or struct containing those variables. Access to those fields / data members is otherwise disallowed.
There are a couple of exceptions to this rule. A non-exhaustive list:
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