const-correctness

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C++ Template meta-magic, template call-site qualification deduction mechanism

I apologise for the verbosity of this example, I contrived it out of a project. The commented, Item 1 and item two, are important in the following code.[详细]

2023-02-17 01:09 分类：问答
Is const_cast<const Type*> ever useful?

开发者_如何学PythonRecently I found a piece of C++ code that effectively does the following: char* pointer = ...;[详细]

2023-02-16 23:25 分类：问答
C++ avoiding code duplication for const and non-const visitation

I have a class that should call a visitor method for every member variable. Something like this: class A{[详细]

2023-02-16 08:24 分类：问答
How can we call "delete this; " in a const-member function?

I saw the code snippet as follows: class UPNumber { public: UPNumber(); UPNumber(int initValue); ... // ps开发者_StackOverflow中文版eudo-destructor (a const member function, because[详细]

2023-02-13 20:07 分类：问答
Using References in const Methods

Let\'s say I have a class like this: class LinkedList { struct Node { int StoredValue; // ... }; Node& GetNodeReference(std::size_t Index)[详细]

2023-02-13 16:00 分类：问答
keeping an argument unchanged in java mehod call

if I want to call a method like this: List f(List l){ l.add(new Object()); return l; } All is fine except if I call the method, it actually modifies its argument, is there anyway around that?开发者[详细]

2023-02-12 04:32 分类：问答
Casting const void* to const int*

I haven\'t used void* and const_correctness before so I am not understanding what I am doing wrong in the below code. All I want is to cast a v开发者_开发技巧oid* returned by a member function of a co[详细]

2023-02-05 04:26 分类：问答
Lazy evaluation and problems with const correctness

I have made an openGL camera class that uses lazy evaluation to provide the final projection or model-view-projection matrices through getter functions.The user provides the various camera parameters[详细]

2023-02-01 00:51 分类：问答
Trouble with: 'const int * const & alias_for_ptr = ptr;', why do both identifiers have different values?

Im having trouble understanding the meaning of const int* const &alias_for_ptr = ptr; with regards to the following:[详细]

2023-01-31 02:41 分类：问答
Logical const in D

D has two types of constness: immutable variables are ones that were declared immutable, and always will be immutable, while const variables are simply read only versions of an object.[详细]

2023-01-26 07:40 分类：问答