Takayuki Muranushi nushio3

nushio3 / sugoi07.md

Last active December 15, 2015 11:29

小問１

(選択肢文字列,値)のリストをとって、ユーザーに選択肢を提示し、番号を入力して選んでもらった値を返す関数

choice :: [(String, a)] -> IO a

を作ってください。

nushio3 / wasshoi.hs

Created November 28, 2012 16:31

test

	{-# LANGUAGE FlexibleContexts #-}
	{-# LANGUAGE UndecidableInstances #-}

	import Control.Applicative
	import qualified Data.Vector as V
	import Prelude hiding (zipWith)

	class Zippable f where
	zipWith :: (a->b->c) -> f a -> f b -> f c

nushio3 / gist:4162351

Created November 28, 2012 16:27

how to treat zippable objects as applicatives.

main = print "hi"

nushio3 / Knight.hs

Created May 27, 2012 18:29

さっそくGTAでDPの練習 ref: http://qiita.com/items/a372458d171e373285b1

	#!/usr/bin/env runhaskell
	{-# LANGUAGE NoImplicitPrelude, RecordWildCards #-}
	{-# OPTIONS -Wall #-}
	module Main where
	import Data.Maybe
	import Data.Tensor.TypeLevel
	import GTA.Data.JoinList
	import GTA.Core hiding (items)
	import NumericPrelude

nushio3 / MainRand.hs

Created January 5, 2012 08:25

これはどうにかなりませんかねえ ref: http://qiita.com/items/1580

	recMapM :: forall a b m. (Data a, Data b, Monad m) => (b -> m b) -> a -> m a
	recMapM f x = do
	let recurse = gmapM (recMapM f) x
	case cast x of
	Nothing -> recurse
	Just bx -> do
	z <- f bx
	case cast z of
	Nothing -> recurse
	Just az -> return az

nushio3 / Dice.hs

Created January 5, 2012 07:11

サイコロを振るモナド ref: http://qiita.com/items/1579

	{-# OPTIONS -Wall #-}
	import Control.Monad
	import Control.Monad.Random
	import Data.List

	sumDice :: (MonadRandom m) => Int -> m Int
	sumDice n = liftM sum $ replicateM n $ getRandomR (1,6)

	statDice :: (MonadRandom m) => Int -> m [(Int,Int)]
	statDice n = do

nushio3 / Hello.hs

Created January 5, 2012 06:29

Hello world! ref: http://qiita.com/items/1576

main = putStrLn "Hello"