p.location-badge.
  exported from <a href='../pipes'>angular2/pipes</a>
  defined in <a href="https://github.com/angular/angular/tree/2.0.0-alpha.36/modules/angular2/src/core/pipes/async_pipe.ts#L33-L130">angular2/src/core/pipes/async_pipe.ts (line 33)</a>

:markdown
  This module provides advanced support for extending change detection.

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  h2 Annotations
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    h3.annotation Pipe
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      code.
        @Pipe({name: &#39;async&#39;})


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    h3.annotation Injectable
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      code.
        @Injectable()


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  h2 Members
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    h3 constructor

    
    pre.prettyprint
      code.
        constructor(_ref: ChangeDetectorRef)
    
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  .l-sub-section
    h3 onDestroy

    
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      code.
        onDestroy()
    
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  .l-sub-section
    h3 transform

    
    pre.prettyprint
      code.
        transform(obj: Observable | Promise&lt;any&gt;, args?: any[])
    
    :markdown