RenderAspectRatio constructor

RenderAspectRatio({RenderBox child, @required double aspectRatio })

Creates as render object with a specific aspect ratio.

The aspectRatio argument must be a finite, positive value.

Implementation 

RenderAspectRatio({
  RenderBox child,
  @required double aspectRatio,
}) : assert(aspectRatio != null),
     assert(aspectRatio > 0.0),
     assert(aspectRatio.isFinite),
     _aspectRatio = aspectRatio,
     super(child);