begin property Null safety

Rect? begin
inherited

The value this variable has at the beginning of the animation.

See the constructor for details about whether this property may be null (it varies from subclass to subclass).

Implementation

T? begin;
void begin=(Rect? value)
override

The value this variable has at the beginning of the animation.

See the constructor for details about whether this property may be null (it varies from subclass to subclass).

Implementation

@override
set begin(Rect? value) {
  if (value != begin) {
    super.begin = value;
    _dirty = true;
  }
}