lizixroy · September 4, 2016 19:53
diff --git a/RxSwift-article-7.swift b/RxSwift-article-7.swift
 @warn_unused_result(message="http://git.io/rxs.ud")
 func subscribeSafe<O: ObserverType where O.E == E>(observer: O) -> Disposable {
  return self.asObservable().subscribe(observer)
 }
	@warn_unused_result(message="http://git.io/rxs.ud")
	func subscribeSafe<O: ObserverType where O.E == E>(observer: O) -> Disposable {
	return self.asObservable().subscribe(observer)
	}
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