I am trying to write a function row :: Int -> Int -开发者_如何学Go> [Int] row n v that returns a list of n integers, all 0\'s, except for the vth element, which needs to be a 1.
Currently, there two popular choices which implement the iteratee pa开发者_运维技巧ttern: The enumerator package and
-- 3 (find k\"th element of a li开发者_开发技巧st) element_at xs x = xs !! x prop_3a xs x = (x < length xs && x >= 0) ==> element_at xs (x::Int) == (xs !! x::Int)
I\'m trying to parse a call to an API into a haskell record type using the Aeson Library I\'m using wikipedia pages, and parsing them to the title and a list of links.
I\'m trying to install GHC with -fPIC support in Fedora. I\'ve grabbed a source tarball since it seems no binary one has this.
I\'m using the GHC to build a haskell pogram for Windows with help of a speciefic (Haskell-)Libr开发者_Python百科ary which is called citeproc-hs. On a 32Bit-Windows XP machine the application works ju
In the \"Functors, Applicative Functors and Monoids\" chapter of Learn You A Haskell, Miran does the following:
The definition of Enumerator is: type Enumerator a m b = Step a m b -> Iteratee a m b The documentation states that while Iteratees comsume data, Enumerators produce it.I can understand how one
Haskell gurus. Care to show me some more haskellian ways to perform this task that isn\'t restricted by my limited knowledge of haskell and FP in general?
Consider this: map fromEnum $ zipWith (==) \"aaaa\" \"abaa\" -- [1,0,1,1] It would be nice to have only one step here: