SlideInLeft constructor
      
      SlideInLeft({ 
    
    
- dynamic key,
- required Widget child,
- Duration duration = const Duration(milliseconds: 600),
- Duration delay = const Duration(milliseconds: 0),
- dynamic controller()?,
- bool manualTrigger = false,
- bool animate = true,
- double from = 100,
- dynamic onFinish(- AnimateDoDirection direction
 
- Curve curve = Curves.easeOut,
Implementation
SlideInLeft({
  key,
  required this.child,
  this.duration = const Duration(milliseconds: 600),
  this.delay = const Duration(milliseconds: 0),
  this.controller,
  this.manualTrigger = false,
  this.animate = true,
  this.from = 100,
  this.onFinish,
  this.curve = Curves.easeOut,
}) : super(key: key) {
  if (manualTrigger == true && controller == null) {
    throw FlutterError('If you want to use manualTrigger:true, \n\n'
        'Then you must provide the controller property, that is a callback like:\n\n'
        ' ( controller: AnimationController) => yourController = controller \n\n');
  }
}