CS 1410-20 Lab 2

1. Choose a representation for toast:
   • kind of bread: white or wheat
   • toastedness, on a scale of 0 to 10
2. Implement yummy-toast?. Toast is yummy when it’s white bread toasted to a level between 6 and 8 inclusive.
3. Implement toast-more, which takes some toast and makes it more toasted, if possible.
4. Choose a representation for bagels:
   • whether the bagel is sliced
   • whether the bagel has cream cheese
   • toastedness, on a scale of 0 to 10
5. Implement yummy-bagel? (specified however you like—examples should clarify).
6. Define the datatype for bread, which is toast or bagel.
7. Implement yummy-bread?.
8. Choose a representation for toasters:
   • bread in the toaster
   • whether the toast/lever is 'down (on) or up (off)
9. Implement should-turn-on-toaster?. Don’t turn on the toaster if it’s already on, or if the bread is a bagel has cream cheese or isn’t sliced, or if the bread is toasted more than level 6 already. The implementation will involve new functions on bread, etc.
10. Implement maybe-turn-on-toaster, which turns on the toaster if it should.
11. Define a datatype for a jelly sandwich, which combines two pieces of bread with jelly. Implement yummy-samdwhich?, which determines whether a sandwhich is made with two pieces of yummy bread.