Expose the time remaining in HHWheelTimer::Callback

[folly.git] / folly / futures / Promise.h

diff --git a/folly/futures/Promise.h b/folly/futures/Promise.h
index 4a3f51c561e87b68f76f3cd22beb8cce7a5f6590..7bb58d1e8abfaa61c9ff4f9d303848472013fa8d 100644 (file)
--- a/folly/futures/Promise.h
+++ b/folly/futures/Promise.h
@@ -23,13 +23,19 @@
 namespace folly {
 
 // forward declaration
+template <class T>
+class SemiFuture;
 template <class T> class Future;
 
+namespace futures {
 namespace detail {
+template <class T>
+class FutureBase;
 struct EmptyConstruct {};
 template <typename T, typename F>
 class CoreCallbackState;
-}
+} // namespace detail
+} // namespace futures
 
 template <class T>
 class Promise {
@@ -105,9 +111,14 @@ class Promise {
 
  private:
   typedef typename Future<T>::corePtr corePtr;
-  template <class> friend class Future;
+  template <class>
+  friend class futures::detail::FutureBase;
+  template <class>
+  friend class SemiFuture;
+  template <class>
+  friend class Future;
   template <class, class>
-  friend class detail::CoreCallbackState;
+  friend class futures::detail::CoreCallbackState;
 
   // Whether the Future has been retrieved (a one-time operation).
   bool retrieved_;
@@ -115,14 +126,14 @@ class Promise {
   // shared core state object
   corePtr core_;
 
-  explicit Promise(detail::EmptyConstruct) noexcept;
+  explicit Promise(futures::detail::EmptyConstruct) noexcept;
 
   void throwIfFulfilled();
   void throwIfRetrieved();
   void detach();
 };
 
-}
+} // namespace folly
 
 #include <folly/futures/Future.h>
 #include <folly/futures/Promise-inl.h>