pure1.c

来自「this is a gcc file, you can download it 」· C语言 代码 · 共 9 行

// Build don't link:
class A
{
  public:
    virtual void f(void) = 0; // pure virtual function.
     A() {f();}               // ERROR - called in a constructor
    ~A() {f();}               // ERROR - called in a destructor
};