- Add Facebook SDK

- Add PNUser Login

Example/Pods/Bolts/Bolts/Common/BFExecutor.h

@@ -0,0 +1,62 @@
+/*
+ *  Copyright (c) 2014, Facebook, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the BSD-style license found in the
+ *  LICENSE file in the root directory of this source tree. An additional grant
+ *  of patent rights can be found in the PATENTS file in the same directory.
+ *
+ */
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/*!
+ An object that can run a given block.
+ */
+@interface BFExecutor : NSObject
+
+/*!
+ Returns a default executor, which runs continuations immediately until the call stack gets too
+ deep, then dispatches to a new GCD queue.
+ */
++ (instancetype)defaultExecutor;
+
+/*!
+ Returns an executor that runs continuations on the thread where the previous task was completed.
+ */
++ (instancetype)immediateExecutor;
+
+/*!
+ Returns an executor that runs continuations on the main thread.
+ */
++ (instancetype)mainThreadExecutor;
+
+/*!
+ Returns a new executor that uses the given block to execute continuations.
+ @param block The block to use.
+ */
++ (instancetype)executorWithBlock:(void(^)(void(^block)()))block;
+
+/*!
+ Returns a new executor that runs continuations on the given queue.
+ @param queue The instance of `dispatch_queue_t` to dispatch all continuations onto.
+ */
++ (instancetype)executorWithDispatchQueue:(dispatch_queue_t)queue;
+
+/*!
+ Returns a new executor that runs continuations on the given queue.
+ @param queue The instance of `NSOperationQueue` to run all continuations on.
+ */
++ (instancetype)executorWithOperationQueue:(NSOperationQueue *)queue;
+
+/*!
+ Runs the given block using this executor's particular strategy.
+ @param block The block to execute.
+ */
+- (void)execute:(void(^)())block;
+
+@end
+
+NS_ASSUME_NONNULL_END