Question

Redefine putstr :: string $\rightarrow$ IO () using a list comprehension and the library function sequence_ :: [IO a] $\rightarrow$ IO $(1$.

   Redefine putstr :: string $\rightarrow$ IO () using a list comprehension and the library function sequence_ :: [IO a] $\rightarrow$ IO $(1$.

Programming in Haskell

Programming in Haskell

Graham Hutton 2nd Edition

Chapter 10, Problem 1

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Step 1

We need to redefine the function `putstr` which takes a string and performs an IO action that outputs this string to the console. We are asked to use a list comprehension and the library function `sequence_ :: [IO a] -> IO ()` in our solution. Show more…

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Redefine putstr :: string $\rightarrow$ IO () using a list comprehension and the library function sequence_ :: [IO a] $\rightarrow$ IO $(1$.

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