Mem2.hs

#!/usr/bin/env runhaskell
--
-- Copyright 2014 Wesley Tanaka <http://wtanaka.com/>
--
-- This file is part of https://github.com/wtanaka/haskell
--
-- https://github.com/wtanaka/haskell is free software: you can
-- redistribute it and/or modify it under the terms of the GNU General
-- Public License as published by the Free Software Foundation,
-- either version 3 of the License, or (at your option) any later
-- version.
--
-- https://github.com/wtanaka/haskell is distributed in the hope that
-- it will be useful, but WITHOUT ANY WARRANTY; without even the
-- implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-- PURPOSE.  See the GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with https://github.com/wtanaka/haskell .  If not, see
-- <http://www.gnu.org/licenses/>.

largenum = 10000000

-- long = take largenum [1..]

-- asbs = 'a' : 'b' : asbs
-- long = take largenum asbs

as = repeat 'a'
long = take largenum as

-- O(N) memory
main = do
   print (long !! (largenum-1))
   print (length long)