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How to understand the specific concept of C++ attribute

2025-04-02 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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What this article shares with you is about how to understand the specific concepts of C++ attributes. The editor thinks it is very practical, so I hope you can get something after reading this article. Let's take a look at it with the editor.

The attribute in C++ programming language is a relatively basic knowledge concept, we beginners need to have a deep understanding of this basic knowledge in the process of learning, in order to facilitate future application. Let's take a look at the related concepts of C++ attributes here.

"_ _ declspec" is a special keyword in Microsoft C++. It can be extended to Standard C++ with some attributes. These C++ attributes are:

Align, allocate, deprecated, dllexport, dllimport, naked, noinline, noreturn, nothrow, novtable, selectany, thread, property and uuid.

Template

< class T1, class T2>

Class KeyValuePair {private: / /-- Parameter T1 * Key; / /-value T2 * Value; public: KeyValuePair () {Key=new T1; Value=new T2;} ~ KeyValuePair () {delete Key; delete Value;} public: T1 GetKey () {return this- > Key;} T1 SetKey (T1 inputKey) {this- > Key=inputKey;} private: int m_old Public: / /-- attribute-get-set- returns data-C++ attribute name _ declspec (property (get=GetOld,put=SetOld)) int Old; int GetOld (void) {return masked value;} void SetOld (int value) {masked oldvalue;}}; int main (int argc, char* argv []) {KeyValuePair

< int,int>

C1; c1.Oldstone 123; cout < < c1.Old;} above is how to understand the specific concept of C++ attributes. The editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.

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