| io.reactivex.FlowableOnSubscribe<T> | 
A functional interface that has a subscribe() method that receives
 an instance of a FlowableEmitter instance that allows pushing
 events in a backpressure-safe and cancellation-safe manner.
| Public Methods | |||||||||||
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| abstract void | 
        subscribe(FlowableEmitter<T> e)
        
         Called for each Subscriber that subscribes. 
  
   | ||||||||||
Called for each Subscriber that subscribes.
| e | the safe emitter instance, never null | 
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| Exception | on error | 
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