To allow an instance of your Dart class to be called like a function, implement the call() method.
Read moreHow do you make a Dart class?
In Dart, an object of a class can be created using new keyword followed by the class name . Below is general syntax to declare an object of a class. var objectName = new ClassName(<constructor_arguments>); Here, objectName and ClassName is replaced with actual object name and the class name respectively.
Read more