Top "Initialization-list" questions

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) {}; // MORE STUFF }; And …

c++ constructor initialization initialization-list

What does a colon following a C++ constructor name do?

What does the colon operator (":") do in this constructor? Is it equivalent to MyClass(m_classID = -1, m_userdata = 0);? class …

c++ constructor initialization-list ctor-initializer

Initialize parent's protected members with initialization list (C++)

Is it possible to use the initialization list of a child class' constructor to initialize data members declared as protected …

c++ inheritance constructor initialization-list

In this specific case, is there a difference between using a member initializer list and assigning values in a constructor?

Internally and about the generated code, is there a really difference between : MyClass::MyClass(): _capacity(15), _data(NULL), _len(0) { } and MyClass::…

c++ initialization initialization-list

Initializing a reference to member to NULL in C++

Is it possible to initialize a reference member to NULL in c++? I'm trying to something like this: class BigClass { …

c++ reference initialization-list

Automatically initialize instance variables?

I have a python class that looks like this: class Process: def __init__(self, PID, PPID, cmd, FDs, reachable, user): …

python class initialization-list

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 …

c++ initialization-list

Is it required to define the initialization list in a header file?

Recently I created class Square: =========header file====== class Square { int m_row; int m_col; public: Square(int row, int …

c++ initialization-list

C++: Initialize a member pointer to null?

I have a class that looks like: class Foo { public: Foo(); virtual ~Foo(); private: Odp* bar; }; I wish to initialize …

c++ oop initialization-list

Why doesn't Java have initializer lists like in C++?

In C++, you can use an initializer list to initialize the class's fields before the constructor begins running. For example: …

java c++ constructor initialization initialization-list