From: Erik Veenstra <erikveen@...>
Date: 2007-02-09T19:39:58+09:00
Subject: Re: Your favorite bit of ruby code?

In general, AFAIK, an initialize can be skipped if all it does
is a super with the same arguments.

What am I missing? I want to learn... ;]

gegroet,
Erik V. - http://www.erikveen.dds.nl/

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 require "test/unit"

 class Functor < Proc
   private *instance_methods.select { |m| m !~ /(^__|^\W|^binding$)/ }

   #def initialize(&function)
     #super(&function)
   #end

   def method_missing(op, *args, &blk)
     call(op, *args, &blk)
   end
 end

 class TestFunctor < Test::Unit::TestCase
   def test_it
     f = Functor.new { |op, x| x.send(op, x) }

     assert_equal(2, f+1)
     assert_equal(4, f+2)
     assert_equal(6, f+3)
     assert_equal(1, f*1)
     assert_equal(4, f*2)
     assert_equal(9, f*3)
   end
 end

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 $ ruby functor.rb
 Loaded suite functor
 Started
 .
 Finished in 0.0 seconds.

 1 tests, 6 assertions, 0 failures, 0 errors

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