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{-# LANGUAGE Rank2Types #-} | |
{-# LANGUAGE ScopedTypeVariables #-} | |
import Data.Traversable (sequenceA) | |
import Reactive.Banana | |
import Reactive.Banana.Frameworks | |
newtype Wrapper = Wrapper (forall t. Moment t (Event t () -> Behavior t Integer)) | |
main :: IO () |
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------------------------------------------------------------ | |
/Users/apfelmus/.ihaskell/ipython/bin/pip run on Sun Jan 19 23:56:41 2014 | |
Obtaining ipython from git+https://github.com/ipython/ipython.git@9c922f54af799704f4000aeee94ec7c74cada194#egg=ipython-dev | |
Cloning https://github.com/ipython/ipython.git (to 9c922f54af799704f4000aeee94ec7c74cada194) to /Users/apfelmus/.ihaskell/ipython/src/ipython | |
Found command 'git' at '/opt/local/bin/git' | |
Running command /opt/local/bin/git clone -q https://github.com/ipython/ipython.git /Users/apfelmus/.ihaskell/ipython/src/ipython | |
Running command /opt/local/bin/git submodule update --init --recursive -q | |
Running command /opt/local/bin/git tag -l |
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-- http://www.reddit.com/r/haskell/comments/rbgvz/conduits_vs_pipes_using_void_as_an_input_or/ | |
import Control.Monad | |
data Pipe m i o r = | |
NeedInput (i -> Pipe m i o r) (Pipe m () o r) | |
| HaveOutput (Pipe m i o r) (m ()) o | |
| Finished (Maybe i) r | |
| PipeM (m (Pipe m i o r)) (m r) |
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plotSpectrum1 lattice n m = toFile def file $ do | |
layout_title .= "Spectrum of '" ++ name ++ "'" | |
layout_x_axis . laxis_title .= "momentum k (" ++ show m ++ " points)" | |
layout_y_axis . laxis_title .= "energy E" | |
setColors $ colorGradient blue (length rows) | |
forM_ rows $ \row -> plot (line "band" [row]) | |
where | |
... |
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{------------------------------------------------------------------------------ | |
reactive-banana | |
Implementation of an "industry strength" game loop with fixed time step | |
and variable fps. | |
See also http://gafferongames.com/game-physics/fix-your-timestep/ | |
-------------------------------------------------------------------------------} | |
{-# LANGUAGE NoMonomorphismRestriction #-} | |
module Main where |
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import Data.Word | |
import qualified Data.ByteString as B | |
type ByteString = B.ByteString | |
data Tree = Leaf [Word8] | Branch Tree Tree deriving (Eq,Show) | |
parse :: ByteString -> Tree | |
parse xs = case view xs of | |
Cons 0 xs -> case view xs of | |
Cons length xs -> Leaf . B.unpack $ B.take (fromIntegral . toInteger $ length) xs |
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