Sea++. Страница 2

 std::string s;
 s = 1;

 string& string::operator=(char ch);

 func CopyFile(src, dst string) error {
   handle err {
     return fmt.Errorf("copy %s %s: %v",
                       src, dst, err)
   }

   r := check os.Open(src)
   defer r.Close()

   w := check os.Create(dst)
   handle err {
     w.Close()
     os.Remove(dst) // (only if a check fails)
   }

   check io.Copy(w, r)
   check w.Close()
   return nil
 }

 contract Addable(t T) {
   t + t
 }

 func Sum(type T Addable)(x []T) T {
   var total T
   for _, v := range x {
     total += v
   }
   return total
 }

 // A.h
 class A {
  public:
   virtual ~A() {}
 };

 warning: A has no out-of-line virtual method definitions; its vtable will be emitted in every translation unit

 // A.h
 class A {
  public:
   virtual ~A() = default;
 };

 // A.h
 class A {
  public:
   virtual ~A();
 };

 // A.cpp
 A::~A() = default;