Nesting

So by now your comfortable with the idea of conditionals but what if we wanted to make them more complex?

That's where nesting comes in! Lets look at an example

let mealSwipes: number = 1000;
if (mealSwipes > 0) {
  if (mealSwipes <= 10) {
    print("Watch out! Running low!);
  }
  if (mealSwipes > 500) {
   print("So many swipes! Why not swipe in a friend?");
  }
  if (mealSwipes > 10 && mealSwipes <= 500) {
   print("Enjoy your meal!");
  }
}

if (mealSwipes <= 0){
  print("Better head to Alpine.");
}

In the example above we not only want to print a message if the person has more than 0 meal swipes, we also want to deliver a certain message based on how many meal swipes the person has left. We can achieve this through nesting! In the example since mealSwipes is greater than 0 we enter the first conditional. We skip over the first nested conditional (mealSwipes <= 10) but enter the second and print "So many swipes! Why not swipe in a friend?" Finally we skip over the third nested conditional (mealSwipes > 10 && mealSwipes <= 500) and the second non-nested conditional (mealSwipes <= 0).

Using nested conditionals we are able to introduce more specificity and complexity into our code! You can nest as many conditionals as you like! Just be sure to keep track of those curly braces.