spl

$ ghci
GHCi, version 7.10.2: http://www.haskell.org/ghc/  :? for help

-- This is a similar to a function found in some library somewhere.
Prelude> let lookupM k v = maybe (fail $ show k ++ " not found in " ++ show v) return $ lookup k v
Prelude> :t lookupM
lookupM
  :: (Eq a1, Monad m, Show a, Show a1) => a1 -> [(a1, a)] -> m a

-- What happens when you use Either as the monad?

spl

{-# LANGUAGE CPP #-}
{-# LANGUAGE MagicHash #-}

#include "MachDeps.h"

import GHC.Base
import GHC.Int
import GHC.Word
import Foreign.C.Types

spl

Keybase proof

I hereby claim:

• I am spl on github.
• I am seanleather (https://keybase.io/seanleather) on keybase.
• I have a public key whose fingerprint is FBC2 C295 60BE A74A D943 B84A 8841 5DD3 E6DE AB1D

To claim this, I am signing this object:

spl

module Main where

import System.Console.Haskeline
import System.Environment
import Control.Exception (AsyncException(..))

{--
Testing the line-input functions and their interaction with ctrl-c signals.

Usage:

spl

{-# OPTIONS_GHC -Wall #-}
module Main where
import Development.Shake

main :: IO ()
main = shakeArgs shakeOptions $ do
  want ["output-file"]
  "output-file" *> \dst -> do
    need ["dependency-file"]
    copyFile' "input-file" dst

spl

{-# OPTIONS_GHC -Wall #-}
module Main where
import Development.Shake

main :: IO ()
main = shakeArgs shakeOptions $ do
  want ["output-file"]
  "output-file" *> \dst ->
    copyFile' "input-file" dst