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Added exists() function to cart #34

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kotofey-da-powah wants to merge 1 commit into bmentges:master from kotofey-da-powah:master

kotofey-da-powah commented May 17, 2019

Minor update to Cart class, useful function to check if item exists in a certain cart.


          Added exists() function to cart

fb107f2

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kotofey-da-powah commented May 17, 2019

My cart can keep only one instance of item, my solution:
if not cart.exists(product):
cart.add(product, product.price)

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