Introduction
In software development, memory management is the process of managing computer memory usage. Different programming languages follow different memory management techniques. Broadly speaking there are two types of memory management, Automatic memory management (e.g. Java, Python, C#) and Dynamic memory management (e.g. C++, C).
C++ uses dynamic memory management which implies that users are responsible for memory allocation and deallocation. So, to make it easy for users and avoid memory-related bugs like memory leaks, segmentation faults, etc., C++ provides smart pointers and memory management classes.
In this article, we will learn about the memory management classes CAutoPtrArray and CAutoPtrList, their syntax, parameters, and class members.
CAutoPtrArray Class
The CAutoPtrArray Class provides methods helpful to construct an array of smart pointers.
You need the header file “atlcoll.h” in order to use the class CAutoPtrArray.
However, note that we cannot use this class in applications executed in the windows runtime.
Syntax
The syntax is given below:
template <typename E>
class CAutoPtrArray : public CAtlArray<
ATL::CAutoPtr<E>,
CAutoPtrElementTraits<E>>Parameters
The class takes only one parameter, E, which denotes the pointer type.
Members
The class provides a Public Constructor -
CAutoPtrArray::CAutoPtrArray
The constructor is invoked every time a new instance of the class is created, and it initializes the array of smart pointers.
The constructor is defined as:
CAutoPtrArray() throw();
The CAutoPtrArray class also derives methods from CAutoPtrElementTraits and CAtlArray. These methods help in creating the objects of a collection class for storing smart pointers.
Inheritance Hierarchy
The CAutoPtrArray inherits from the class CAtlArray.
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