childExtent property

  1. @protected
double get childExtent

The dimension of the child in the main axis.

Implementation

@protected
double get childExtent {
  if (child == null) {
    return 0.0;
  }
  assert(child!.hasSize);
  return switch (constraints.axis) {
    Axis.vertical => child!.size.height,
    Axis.horizontal => child!.size.width,
  };
}