bcc07.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 43 行

struct V {
    operator int();
    int v;
};

struct A : virtual V {
    operator int();
    int a;
};

struct B : V {
    operator double();
    int b;
};

struct E {
    operator int();
};

struct C : virtual V, public E {
    operator char *();
    int c;
};

struct D : A, B, C {
    operator int();
    int foo( void );
};

D x;

// D    - A     * V
//      - B     - V
//      - C     - E
//              * V

// V, A, E, D all have operator int() but D's overrides them all

int D::foo( void )
{
    return operator int();
}