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