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## Class template future

boost::compute::future — Holds the result of an asynchronous computation.

## Synopsis

    // In header: <boost/compute/async/future.hpp>

    template<typename T>
    class future {
    public:
      // construct/copy/destruct
      future();
      future(const T &, const event &);
      future(const future< T > &);
      future & operator=(const future< T > &);
      ~future();

      // public member functions
      T get();
      bool valid() const;
      void wait() const;
      event get_event() const;
    };

## Description

See Also:

event, wait_list

### `future` public construct/copy/destruct

1.     future();

2.     future(const T & result, const event & event);

3.     future(const future< T > & other);

4.     future & operator=(const future< T > & other);

5.     ~future();

### `future` public member functions

1.     T get();

   Returns the result of the computation. This will block until the result is ready.

2.     bool valid() const;

   Returns `true` if the future is valid.

3.     void wait() const;

   Blocks until the computation is complete.

4.     event get_event() const;

   Returns the underlying event object.