declare struct in using c++ code example

Example 1: constructor c++ struct

struct Rectangle {
    int width;  // member variable
    int height; // member variable

    // C++ constructors
    Rectangle()
    {
        width = 1;
        height = 1;
    }

    Rectangle( int width_  )
    {
        width = width_;
        height = width_ ;
    }

    Rectangle( int width_ , int height_ )
    {
        width = width_;
        height = height_;
    }
    // ...
};

Example 2: what is a struct in c++

struct Person
{
    char name[50];
    int age;
    float salary;
};