static-members

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Weird linker problem with static const class members

Please tell me, why gcc linker gives me the following error: \"test_class::test_struct::constVar\", referenced from: __ZN12lu_test_class27test_struct6constVar$non_lazy_ptr in test_class.o ?[详细]

2023-03-08 18:23 分类：问答
Why field inside a local class cannot be static?

void foo (int x) { struct A { static const int d = 0; }; // error } Other than the reference from standard, is there any motivation behind this to disallow static field inside an inner class ?[详细]

2023-03-08 07:45 分类：问答
Why do members of a static class need to be declared as static? Why isn't it just implicit?

Obviously there can\'t be an inst开发者_如何学Pythonance member on a static class, since that class could never be instantiated. Why do we need to declare members as static?I get asked questions like[详细]

2023-03-06 11:30 分类：问答
Static field initialization order (C#) - can someone explain this snippet?

I am a C++ programmer learning C#. I am currently reading C#4.0 in a Nutshell. I have come accross this statement/snipet on page 74:[详细]

2023-03-06 04:33 分类：问答
C# Static variables - scope and persistence

I just did a little experiment: public abstract class MyClass { private static int myInt = 0; public static int Foo()[详细]

2023-03-06 01:42 分类：问答
Static members being destroyed while there are still outstanding instances?

I need to access a static data member from a destructor, but on program exit it seems that it cannot be guaranteed to still exist! For some reason, the static members are being destroyed whilst there[详细]

2023-03-04 21:25 分类：问答
How do I initialize static constant member variables in a subclass?

I\'m trying to make a template which can make a few different types of classes that differ mainly in the name of things, i.e. 开发者_如何学运维a resistor should output \"Resistance: 4 ohm\" where a ca[详细]

2023-03-04 00:24 分类：问答
Can template classes have static members in C++

Can a template class in C++ have st开发者_Python百科atic members? Since it doesn\'t exist and is imcomplete before it is used, is this possible?Yes. The static member is declared or defined inside the[详细]

2023-03-01 06:06 分类：问答
ios_base and static members

Static constants in the ios_base class are initialized when created, which makes sense for constants.Can non-constant static member variables be initialized the same way, or is this concept only allow[详细]

2023-02-28 10:40 分类：问答
static variables initialization order between many classes

c.h class C{ static string s; } c.cpp string C::s=D::staticMethod(); d.h class D{ static string s; static string staticMethod();[详细]

2023-02-27 00:32 分类：问答