ShoppingCart

class ShoppingCart
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ShoppingCart class

A simple shopping cart class that could add product, count the number of products, sum for total price

Constructors

ShoppingCart
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fun ShoppingCart()
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Create an empty cart

Functions

add
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fun add(product: Product)
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Add a product in shopping cart

count
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fun count(): Int
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Calculate the quantity of products

totalPrice
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fun totalPrice(): Int
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Calculate products' price