libindev · January 28, 2020 07:02
diff --git a/dynamic_keyword.dart b/dynamic_keyword.dart
 void main() {
 /// dynamic is a special type indicating it can be any type.
  dynamic x = 'hal';
  x = 123;
  print(x);
  var a = 'hal';
 // a = 123;
  print(x);
  }
diff --git a/extension.dart b/extension.dart
 void main(){

 print( 10.sum(12));
 }

 extension SUM on int {
  int sum (int no) {
    return this+no;
  }
  
 }
	void main() {
	/// dynamic is a special type indicating it can be any type.
	dynamic x = 'hal';
	x = 123;
	print(x);
	var a = 'hal';
	// a = 123;
	print(x);
	}