Improving library documentation
If you find standard library documentation lacking in any way, please log it here. At the minimum record what library/module/function isn't properly documented. Please also suggest how to improve the documentation, in terms of examples, explanations and so on.
package base Data.List unfoldr
An example would be useful. Perhaps:
-- A simple use of unfoldr: -- -- > unfoldr (\b -> if b == 0 then Nothing else Just (b, b-1)) 10 -- > [10,9,8,7,6,5,4,3,2,1] --
dons 00:31, 26 November 2006 (UTC)
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I wish haddock generated a link to the parent module when it creates the page for a given module. I may implement this myself, but I wanted to make sure this wishlist item was recorded somewhere :) Dagit 08:49, 27 November 2006 (UTC)
package base Data.Array.IO and Data.Array.MArray descriptions
An example would be usefull. Arrays can be very difficult when you see them the very first time ever with the assumption that you want to try them right now and that Haskell is a relatively new to you. Maybe something like this could be added into the descriptions of the array-modules.
module Main where import Data.Array.IO -- Replace each element with 1/i, where i is the index starting from 1. -- Loop uses array reading and writing. loop :: IOUArray Int Double -> Int -> Int -> IO () loop arr i aLast | i > aLast = return () | otherwise = do val <- readArray arr i writeArray arr i (val / (1+fromIntegral i)) loop arr (i+1) aLast
main = do arr <- newArray (0,9) 1.0 -- initialise an array with 10 doubles. loop arr 0 9 -- selfmade loop over elements arr <- mapArray (+1) arr -- a map over elements elems <- getElems arr putStrLn $ "Array elements: " ++ (show elems)
Isto 14:43, 26 November 2006 (UTC)