c default constructor

Construction operations of default constructor in the C ++ object model, and object model constructorA class. If there is no user-declared constructor, a default constructor is implicitly declared. The implicitly declared constructor determines when

I have two misconceptions about the C + + default constructor: If a class does not define any constructors, the compiler (definitely!) will define a composite default constructor for the class. The composite default constructor initializes all the

C ++ Object Model -- Construction of Default Constructor (chapter 2)Chapter 2 The most common complaint about C ++ In The constructors of Constructor is that The compiler has done too many things on The back of programmers. the Conversion operator

In C ++, constructor is a special function called when the component object is called. Its purpose is to initialize the object, so that the object can be in a reasonable State before it is used. However, the design of constructor functions is not

on the unreasonable design of C + + construction function Author: Zhang In C + +, a constructor is a special function that is invoked at the time of the Component object to initialize the object so that the object can be in a reasonable state before

A class, if there is no constructor for the user declaration, then a default constructor is implicitly declared. The implicit declaration of the constructor, exactly when to be synthesized, by the compiler composition of the default constructor

The C ++ compiler combines the conditions of the default constructor (the default copy constructor is the same), and the constructor copies the constructor. When a user does not define a constructor for a class, the compiler does not combine each

C + + terms-everything about the default constructorDefault constructor (Defaultconstructor):The default constructor is the constructor that is used to create the object when no display initial value is provided. If no constructors are provided, C +

Misunderstanding of default constructors1. When the program ape defines the default constructor, the compiler will directly use this default constructor.A simple exampleClass Student;Class School{Public:School (){}...Student students;};We know that

Source program in c ++: Copy codeThe Code is as follows: class X { Private: Int I; }; Int main (){X x;} The preceding class X does not define the constructor and only has an int I. The assembler is as follows: Copy codeCode:; 7: int main (){ Push