Contents

#!/usr/bin/ruby

#    Copyright (c) 2007, Lin Jen-Shin（a.k.a. godfat 真常）
#
#    Licensed under the Apache License, Version 2.0 (the "License");
#    you may not use this file except in compliance with the License.
#    You may obtain a copy of the License at
#
#        http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS,
#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#    See the License for the specific language governing permissions and
#    limitations under the License.

begin
  require_ludy 'lazy'
rescue NameError
  raise LoadError.new('please require "ludy" first')
end

module Ludy

  Y = lambda{|f|
    lambda{|x| lazy{f[x[x]]} }[lambda{|x| lazy{f[x[x]]} }]
  }

end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
ludy-0.0.1	lib/ludy/y_combinator.rb
ludy-0.0.2	lib/ludy/y_combinator.rb