constructor c 2b 2b struct

1struct TestStruct {
2        int id;
3        TestStruct() : id(42)
4        {
5        }
6};
7

1
2struct Rectangle {
3    int width;  // member variable
4    int height; // member variable
5
6    // C++ constructors
7    Rectangle()
8    {
9        width = 1;
10        height = 1;
11    }
12
13    Rectangle( int width_  )
14    {
15        width = width_;
16        height = width_ ;
17    }
18
19    Rectangle( int width_ , int height_ )
20    {
21        width = width_;
22        height = height_;
23    }
24    // ...
25};
26
27