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
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
C ++ constructor & copy constructor & constructor of derived classes & constructor of virtual inheritanceConstructor is a special method. It is mainly used to initialize an object when an object is created, that is, assigning an initial value to the
1. instance constructor and class
Constructor is a special method that allows you to instantiate a type into a good state.
When creating an instance of the following type:
1) allocate memory for instance fields.
2) initialize additional fields of
The class instance constructor is a special method that allows you to initialize a type of instance to a good state.
The class instance constructor method is always called. ctor (constructor) in "method definition metadata table ). When creating an
C ++ constructor & amp; copy constructor & amp; constructor of the derived class & amp; virtual inherited Constructor
Constructor is a special method. It is mainly used to initialize an object when an object is created, that is, assigning an initial
Constructor and destructor are two seemingly simple types of functions in a class, but some unexpected running errors will always occur during actual use. This document introduces the principles of constructor and destructor systematically.
And the
Hello, C ++ (34) has a copy constructor named Dolly 6.2.4, 6.2.4 constructor.6.2.4 copy constructor
In the C ++ world, in addition to using constructors to directly create a new object, you sometimes need to create a copy of an existing object, just
LeeLin blog
(1) When the base class does not have its own constructor, the default bar of the derived class uses the constructor of the base class.(2) When the base class has a self-compiled constructor, you must add a constructor without parameters
(1) When the base class does not have its own constructor, the default bar of the derived class uses the constructor of the base class.(2) When the base class has a self-compiled constructor, you must add a constructor without parameters to the base
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