Question

Redefine adder using the function sequence :: [IO a] $\rightarrow$ IO (a) that performs a list of actions and returns a list of the resulting values.

   Redefine adder using the function sequence :: [IO a] $\rightarrow$ IO (a) that performs a list of actions and returns a list of the resulting values.

Programming in Haskell

Programming in Haskell

Graham Hutton 2nd Edition

Chapter 10, Problem 5

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Step 1

The adder function takes a list of numbers and returns their sum. ```haskell adder :: [Int] -> IO Int adder nums = do let actions = map printNum nums result <- sequence actions return (sum result) printNum :: Int -> IO Int printNum num = do putStrLn Show more…

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Redefine adder using the function sequence :: [IO a] $\rightarrow$ IO (a) that performs a list of actions and returns a list of the resulting values.

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