shape property

BoxShape shape

The shape of the layer.

Defaults to BoxShape.rectangle. The borderRadius affects the corners of the rectangle.

Implementation 

BoxShape get shape => _shape;
void shape= (BoxShape value)

Implementation 

set shape(BoxShape value) {
  assert(value != null);
  if (shape == value)
    return;
  _shape = value;
  _markNeedsClip();
}