Pizza Pricing
10 Points
tail-call-optimisation
Instructions
In this exercise you're working at a pizza place that delivers to customers.
You offer three types of pizzas:
- Margherita: $7
- Caprese: $9
- Formaggio: $10
Customers can also choose two additional options for a small additional fee:
- Extra sauce: $1
- Extra toppings: $2
When customers place an order, an additional fee is added if they only order one or two pizzas:
- 1 pizza: $3
- 2 pizzas: $2
You have three tasks, each of which will work with pizzas and their price.
1. Define the pizza types and options
Define the Pizza custom type to represent the different types of pizzas and options:
MargheritaCapreseFormaggioExtraSauceExtraToppings
ExtraSauce and ExtraToppings should wrap the Pizza type.
2. Calculate the price of pizza
Implement the pizza_price function to calculate a pizza's price:
pizza_price(Caprese)
// -> 93. Calculate the price of an order
Implement the order_price function to calculate a pizza order's price:
order_price([Margherita, Formaggio])
// -> 19Pizza Pricing
10 Points
tail-call-optimisation
Instructions
In this exercise you're working at a pizza place that delivers to customers.
You offer three types of pizzas:
- Margherita: $7
- Caprese: $9
- Formaggio: $10
Customers can also choose two additional options for a small additional fee:
- Extra sauce: $1
- Extra toppings: $2
When customers place an order, an additional fee is added if they only order one or two pizzas:
- 1 pizza: $3
- 2 pizzas: $2
You have three tasks, each of which will work with pizzas and their price.
1. Define the pizza types and options
Define the Pizza custom type to represent the different types of pizzas and options:
MargheritaCapreseFormaggioExtraSauceExtraToppings
ExtraSauce and ExtraToppings should wrap the Pizza type.
2. Calculate the price of pizza
Implement the pizza_price function to calculate a pizza's price:
pizza_price(Caprese)
// -> 93. Calculate the price of an order
Implement the order_price function to calculate a pizza order's price:
order_price([Margherita, Formaggio])
// -> 19