class A
{
public:
    const int x;
    int y;
    A(int xval, int yval) : x(xval) {y = yval;}
};

// x(xval) is the initalizer for the
// const data member x.
// {y = yval} is the inline method 
// body that initializes x.
// y could also have been initialized
// with an initializer, but x cannot
// be initialized with an inline method
// body because it is const.