Class executor

demo_example/asio/asio/executor.hpp:47–332

Polymorphic wrapper for executors.

/// Polymorphic wrapper for executors.
class executor
{
public:
  /// Default constructor.
  executor() ASIO_NOEXCEPT
    : impl_(0)
  {
  }

  /// Construct from nullptr.
  executor(nullptr_t) ASIO_NOEXCEPT
    : impl_(0)
  {
  }

  /// Copy constructor.
  executor(const executor& other) ASIO_NOEXCEPT
    : impl_(other.clone())
  {
  }

#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
  /// Move constructor.
  executor(executor&& other) ASIO_NOEXCEPT
    : impl_(other.impl_)
  {
    other.impl_ = 0;
  }
#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)

  /// Construct a polymorphic wrapper for the specified executor.
  template <typename Executor>
  executor(Executor e);

  /// Allocator-aware constructor to create a polymorphic wrapper for the
  /// specified executor.
  template <typename Executor, typename Allocator>
  executor(allocator_arg_t, const Allocator& a, Executor e);

  /// Destructor.
  ~executor()
  {
    destroy();
  }

  /// Assignment operator.
  executor& operator=(const executor& other) ASIO_NOEXCEPT
  {
    destroy();
    impl_ = other.clone();
    return *this;
  }

#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
  // Move assignment operator.
  executor& operator=(executor&& other) ASIO_NOEXCEPT
  {
    destroy();