forketyfork/SumProductExample.hs

Created May 11, 2021 07:06

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Code to article "Why You Should Learn Functional Programming: Type Classes vs. Interfaces"

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SumProductExample.hs

	getSum ( Sum 1 `mappend` Sum 2 ) -- this returns 3

	getProduct ( Product 5 `mappend` Product 10 ) -- this returns 50

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