samples/clist_test.mlua

-------------------------------------------------------------------------------
-- Copyright (c) 2006-2013 Fabien Fleutot and others.
--
-- All rights reserved.
--
-- This program and the accompanying materials are made available
-- under the terms of the Eclipse Public License v1.0 which
-- accompanies this distribution, and is available at
-- http://www.eclipse.org/legal/epl-v10.html
--
-- This program and the accompanying materials are also made available
-- under the terms of the MIT public license which accompanies this
-- distribution, and is available at http://www.lua.org/license.html
--
-- Contributors:
--     Fabien Fleutot - API and implementation
--
-------------------------------------------------------------------------------

-{extension "clist"}

-- integers from 2 to 50, by steps of 2:
x = { i for i = 2, 50, 2 }

-- the same, obtained by filtering over all integers <= 50:
y = { i for i = 1, 50 if i%2==0 }

-- prime numbers, implemented in an inefficient way:
local sieve, n = { i for i=2, 100 }, 1
while n < #sieve do
   sieve = { 
      i for i in values(sieve[1 ... n]);
      i for i in values(sieve[n+1 ... #sieve]) if i%sieve[n] ~= 0 }
   n += 1
end

print "Prime numbers < 100, computed with lists by comprehension:"
table.print(sieve)