Remove DeferralActionWrapper.hpp

pi2-demo/include/DeferralActionWrapper.hpp

-#pragma once
-
-#include <functional>
-#include <vector>
-
-/// Wraps an object and defers modifying actions
-/// until explicitly applying them
-///
-/// \param T The type of the wrapped object
-template <typename T> class DeferralActionWrapper {
-public:
-  using ValueType = T;
-  using Function = std::function<void(ValueType &)>;
-
-  /// Constructs a wrapper around a default constructed object
-  DeferralActionWrapper() = default;
-
-  /// Constructs a wrapper around a given \p object
-  explicit DeferralActionWrapper(ValueType object)
-      : wrappedObject(std::move(object)) {}
-
-  /// Returns a the wrapped object
-  ValueType &get() { return wrappedObject; }
-  const ValueType &get() const { return wrappedObject; }
-
-  /// Enqueues an \p action
-  ///
-  /// Caution: Be sure to work on a reference to modify the wrapped object!
-  void enqueue(Function action) {
-    deferredActions.push_back(std::move(action));
-  }
-
-  /// Applies pending modifying actions
-  void apply() {
-    for (auto &&action : deferredActions) {
-      action(wrappedObject);
-    }
-    deferredActions.clear();
-  }
-
-private:
-  ValueType wrappedObject;
-  std::vector<Function> deferredActions;
-};