| // |
| // RACDynamicSequence.h |
| // ReactiveCocoa |
| // |
| // Created by Justin Spahr-Summers on 2012-10-29. |
| // Copyright (c) 2012 GitHub. All rights reserved. |
| // |
| |
| #import "RACSequence.h" |
| |
| // Private class that implements a sequence dynamically using blocks. |
| @interface RACDynamicSequence : RACSequence |
| |
| // Returns a sequence which evaluates `dependencyBlock` only once, the first |
| // time either `headBlock` or `tailBlock` is evaluated. The result of |
| // `dependencyBlock` will be passed into `headBlock` and `tailBlock` when |
| // invoked. |
| + (RACSequence *)sequenceWithLazyDependency:(id (^)(void))dependencyBlock headBlock:(id (^)(id dependency))headBlock tailBlock:(RACSequence *(^)(id dependency))tailBlock; |
| |
| @end |
