Dart Function as Parameter

function_as_parameter.dart

void main() {
  print(' '.padLeft(10,'-') + 'Function as Parameter' + ' '.padRight(10,'-'));
  
  Person newUser = Person(talk: trashTalk);
  
  newUser.talk(); // Try dunk it!
  
  newUser.talk = friendlyTalk;
  
  newUser.talk(); // You can do it.
  
  // useful when refactor one giant component into couple of reusable components.
  // pass Functions as EventListener to child Widget.
}

class Person {
  Function talk;
  
  Person({this.talk});
}

void trashTalk() {
  print('Try dunk it!');
}

void friendlyTalk() {
  print('You can do it.');
}