philipnilsson

Keybase proof

I hereby claim:

• I am philipnilsson on github.
• I am philip_nilsson (https://keybase.io/philip_nilsson) on keybase.
• I have a public key ASDHkjtDR2r-GC38Hf-Nfgu3rvC7nksXqOKS7_8EYji1swo

To claim this, I am signing this object:

philipnilsson

(setq-default line-spacing 4)

;; Supress initial scratch message
(setq initial-scratch-message nil)

(require 'package)
(add-to-list
 'package-archives
 '("melpa" . "http://melpa.milkbox.net/packages/") t)
(package-initialize)

philipnilsson

Keybase proof

I hereby claim:

• I am philipnilsson on github.
• I am philip_nilsson (https://keybase.io/philip_nilsson) on keybase.
• I have a public key ASDIhySUyBJvD-Ahd2EPn5ikDIUtBx35zxE7GnupBor34Ao

To claim this, I am signing this object:

philipnilsson

-- Run a stateful computation and on completion
-- restore state to it's current value.

excursion st = do 
  oldState <- get
  st
  put oldState
  

philipnilsson

// Some functional utilities
const map     = f => arr => arr.map(f);
const id      = x => x;
const concat  = xs => [].concat(...xs);
const fold    = (f, init) => xs => xs.reduce(f, init);
const sum     = fold((x, y) => x + y, 0);

// Nested-list algebras
function alg(leaf, branch) {
    return nested => nested instanceof Array

philipnilsson

combine :: [Either a b] -> ((a,b) -> c) -> [c]
combine xs f = combine' (Nothing, Nothing) xs 
  where
  combine' (_, Just y) (Left l:xs) =
    f (l,y) : combine' (Just l, Just y) xs
  combine' (Just x, _) (Right l:xs) =
    f (x,l) : combine' (Just x, Just l) xs
  combine' (_, y) (Left l : xs)  =
    combine' (Just l, y) xs
  combine' (x, _) (Right l : xs) =

philipnilsson

module Main where

import Engine

pretty elem 
  = elem $= texture (fromFile "slim.jpg")

scene = 
  pretty cube $= rotateX 2t $= rotateY 3t

philipnilsson

vShader :: SC.Shader GLfloat
vShader = do
  pos     <- attribute vec3 "position"
  a_color <- attribute vec3 "a_color"
  color   <- varying   vec3 "color"
  
  gl_Position =: pos .: 1
  color =: pos

fShader :: SC.Shader GLfloat

philipnilsson

data Pair a = Pair a a

data Exp typ where
  Vec :: Exp a -> Exp a -> Exp (Pair a)
  Const :: Int -> Exp Int

-- with type

type RHS typ = String

philipnilsson

import System.Random
import Control.Monad

count = length . filter id

avenge = do
  x <- replicateM 8 randomIO
  return $ count x <= 4

test n = do