I\'m trying to run this code: let coins = [50, 25, 10, 5, 2,1] let candidate = 11 calculate :: [Int] calculate = [ calculate (x+candidate) | x <- coins, x > candidate]
I have been using uniplate and SYB and I am trying to transform a list For instance type Tree = [DataA]
(n >= 3 ) && (n <= 99) O开发者_如何学JAVAR n `elem` [3..99] Which one is faster and why?The first one is faster
usual wxHaskell program looks like main = do run gui gui = do .... .... gui must have type IO a, run has type IO a -> IO (), also there is some initialization routines in run.
Parsec is designed to pa开发者_如何转开发rse textual information, but it occurs to me that Parsec could also be suitable to do binary file format parsing for complex formats that involve conditional s
I开发者_如何转开发s there a valid way to do the following in Haskell: case n of 0-> doThis 1-> doThat
Can you create a list of functions and the开发者_JS百科n execute them sequentially, perhaps passing them into do notation?
What I am trying to do seems pretty simple, but since I am a parsec Haskell newb, the solution is eluding me.
I have followed the tutorial on the Haskell wiki about implementing an IRC bot. and everything worked out fine. But once I started extending it, I realised that It would need to respond to CTCP reques
What I need is to read pdf, make som开发者_JS百科e transformations (generate TOC bookmarks) and write it back.
加载中,请稍侯......