initialization-list

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Qt C++ Initialization List Confusion

I\'m getting started with Qt (and C++, to a lesser extent), and I wanted to be sure I fully understood the base code before continuing on. I understand that the fir开发者_如何学Gost element in the ini[详细]

2023-04-05 13:21 分类：问答
Why does data get assigned without an extra copy being created, in an initialization list?

Parashift explains initialization lists w开发者_StackOverflowell, but does not explain why an extra copy of a variable is created before assignment in the ctor body, but no extra copy is created when[详细]

2023-03-19 17:00 分类：问答
Order of calling base class constructor from derived class initialization list

struct B { int b1, b2; B(int, int); }; struct D : B { 开发者_开发问答int d1, d2; // which is technically better ?[详细]

2023-03-10 09:16 分类：问答
How do I initialize a stl vector of objects who themselves have non-trivial constructors?

suppose I have the following class: class MyInteger { private: int n_; public: MyInteger(int n) : n_(n) {};[详细]

2023-03-08 10:28 分类：问答
why C++ Initialization list is before brace?

I want to know what\'s difference in the following two class. example 1: class A { string name; public: A(const char* _name):name(_name){}[详细]

2023-03-02 08:52 分类：问答
C++ Initialization lists - I don't get it

In Effective C++, it is said that data elements in the initialization list need to be listed in the order of their declaration. It is further said that the reas开发者_开发问答oning for this is that de[详细]

2023-02-14 06:05 分类：问答
C++ Inherited template classes & initialization lists

I have been converting some of my math classes to templates and to use initialization lists, and run into a problem when the inherited class needs to access base class data members on initialization.[详细]

2023-02-07 16:12 分类：问答
Base-from-Member Idiom in C++

The following code is from here: #include <streambuf>// for std::streambuf #include <ostream>// for std::ostream[详细]

2023-02-07 14:19 分类：问答
Pass 'this' object to an initialization list

I\'ve reduced the problem 开发者_开发问答down to the following sample code: class Charizard { //truck[详细]

2023-01-28 18:03 分类：问答
How can i initialize superclass params from within the child c-tor in C++?

Watch the following example: 开发者_开发百科 class A { public: A(int param1, int param2, int param3) {[详细]

2023-01-25 05:52 分类：问答