switches, expressions, conditionals

main.dart

void main(){
  var num = 34;
  var age = 18;
  var nameTracker;
  
  do {
    print("going...");
    num++;
  }while(num <38);
  
  int showAge(){
    return 40;
  }
  
  int showAgeNow() => 47;
  
  String showName(){
    return "Aaron";
  }
  
  //as expression syntax
  String getName() => "Buster";
  
  bool isKnown(){
    if (age ==40 || nameTracker=="Buster" && age == 47){
      return true;
    } else{
      
      return false;
    }
  }
  
  bool nameFilter(String  name){
    switch (name){
      case "Buster":
        nameTracker = "Buster";
        return false;
        break;
      case "Aaron":
        nameTracker = "Aaron";
        return true;
        break;
      default:
        return true;
    }
  }
    age = nameFilter(showName()) ? showAge(): showAgeNow();
  
  print("Hello ${showName()}, are you you and $age? ${isKnown()}");
  
  age = nameFilter(getName()) ? showAge(): showAgeNow();
  
  print("Hello $nameTracker, are you you and $age? ${isKnown()}");
  
  print(nameFilter(getName())? "Hello ${showName()}, are you you and $age? ${isKnown()}": "Hello $nameTracker, are you you and ${showAgeNow()}? ${isKnown()}");
  
  switch (age){
    case 19:
      print("old enough");
      break;
    case 20:
      print("still good");
      break;
    case 18:
      print("great news!");
      break;
    default:
      print("blah blah blah");
      break;
      }
}