TrailingIcon<T>  constructor 
      const
      TrailingIcon<T> ({ 
    
    
- IconData? icon,
- Widget? iconWidget,
- Color? color,
- String? tooltip,
- ValueChanged<T> ? onTap,
- VoidCallback? onTapVoid,
Implementation
const TrailingIcon({
  this.icon,
  this.iconWidget,
  this.color,
  this.tooltip,
  this.onTap,
  this.onTapVoid,
});