Async: move the actual task exection into Executor implementation

As of now, Job is only front interface to a chain of Executor subclasses. Each
Executor subclass specializes for given type of execution (then, each, reduce, ...),
and the chain is then executed recursively, as we did with the original Job
implementation.

1 files changed, 2 insertions, 0 deletions

diff --git a/async/src/future.h b/async/src/future.h
index c53ef56..eb3de1e 100644
--- a/async/src/future.h
+++ b/async/src/future.h
@@ -31,6 +31,8 @@ class FutureBase
 public:
     FutureBase();
     FutureBase(const FutureBase &other);
+    virtual ~FutureBase();
+
     void setFinished();
     bool isFinished() const;
     void waitForFinished();