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// Free monad based thread simulation and FRP constructs written in JavaScript


// First, we need some way to express lazy values and actions.
// We can use zero-argument functions for this purpose: call the function and
// you get the value. We also need to compose lazy values/actions. For that
// we have bindLazy function. Lazy values are not expected to be pure
// in this program: evaluating a lazy value/action at different times can produce
// a different value.

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Хм... Сложно согласиться с

> в Haskell монады -- это способ записать _императивный_ код в полностью декларативном языке.

Наверное если смотреть технически - то это верное высказывание. 
Но оно скрывает суть. Скрывает смысл "пользы от монад".

Насколько я помню...
Монады - они и в Африке монады. В независимости от того какой язык - чисто декларативный/функциональный или нет.

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lazy val scalaJson = ProjectRef(uri("git://github.com/mdedetrich/scala-json-ast.git#c5ee84"), "scalaJsonASTJVM")

lazy val root = (project in file(".")).
  dependsOn(scalaJson).
  settings(inThisBuild(List(
      organization := "com.example",
      scalaVersion := "2.11.8"
    )),
    name := "sourceDeps"
  )

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{-# LANGUAGE MultiParamTypeClasses, FunctionalDependencies #-}

import Control.Monad
import Control.Monad.Free

class (Functor f, Functor g, Functor h) => Compose f g h | f g -> h where
  compose :: f x -> g y -> Free h (Free f x, Free g y)
  compose f g = return (liftF f, liftF g)

composeF :: Compose f g h => Free f x -> Free g x -> Free h x

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trait Module {
  type shape
}

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{-# LANGUAGE OverloadedStrings #-}

module Main where

import Control.Lens            -- lens
import Control.Monad.IO.Class  -- transformers
import Control.Monad.Trans.AWS -- amazonka
import Network.AWS.EC2         -- amazonka-ec2

main :: IO ()

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package com.vertigo.service.rest.search;

import java.util.EnumSet;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.DefaultServlet;
import org.eclipse.jetty.servlet.ServletContextHandler;

import com.vertigo.service.rest.search.filter.GuiceFilter;
import com.vertigo.service.rest.search.listener.GuiceServletContextListener;

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{-# LANGUAGE GADTs #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE StandaloneDeriving #-}
module RedBlackTree where

data Zero 
data Succ n
type One = Succ Zero

data Black

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# Installing graphite dependencies
apt-get install -y python2.6 python-pip python-cairo python-django python-django-tagging
apt-get install -y libapache2-mod-wsgi python-twisted python-memcache python-pysqlite2 python-simplejson 
pip install whisper
pip install carbon
pip install graphite-web

# Setup a vhost by grabbing the example the graphite team released on their repo.
# In this file, you'll provide the url used to access to your Graphite dashboard
wget https://raw.github.com/tmm1/graphite/master/examples/example-graphite-vhost.conf -O /etc/apache2/sites-available/graphite

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How to install latest GHC 7.10.1 + cabal 1.22.3.0 from source on ubuntu

for your convinience these instuction is available as:
gist
git repo

ghc

ubuntu prerequisites