Created
August 24, 2010 03:41
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Wacky Ruby
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#!/usr/bin/ruby -wKu | |
# vim: set fileencoding=utf-8 : | |
class ObjectPattern | |
def initialize obj, method=:[] | |
@delegate_object = obj | |
@delegate_method = method | |
end | |
attr_reader :delegate_object, :delegate_method | |
def === other | |
@delegate_object.__send__( @delegate_method, other ) | |
end | |
end | |
module Kernel | |
module_function | |
def P *args #Can anyone make up a good name? | |
ObjectPattern.new( *args ) | |
end | |
def it method, obj | |
ObjectPattern.new obj, method | |
end | |
end | |
if $PROGRAM_NAME == __FILE__ | |
print 'Enter Integers ( 1-99 ): ' | |
while input = gets | |
case input.to_i | |
when (it :>, 1 ) | |
puts 'Extra Small' | |
when (it :>=, 33 ) | |
puts 'Small' | |
when (it :>=, 66 ) | |
puts 'Midium' | |
when (it :>=, 99 ) | |
puts 'Large' | |
else | |
puts 'Extra Large' | |
end | |
end | |
end |
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#!/usr/bin/ruby -Ku | |
# vim: set fileencoding=utf-8 : | |
=begin | |
_ argument like scala's function | |
=end | |
module ProcWithBar | |
BAR_ARGS_ = [] | |
module_function | |
def _ &block | |
if block_given? | |
Proc.new {|*args| | |
BAR_ARGS_.replace args | |
val = block.call( *args ) | |
BAR_ARGS_.clear #Clear entries that is not used by the +block+. | |
val | |
} | |
else | |
raise ArgumentError, 'too many arguments' if BAR_ARGS_.empty? | |
BAR_ARGS_.shift | |
end | |
end | |
end | |
if $PROGRAM_NAME == __FILE__ | |
require 'object-pattern' | |
include ProcWithBar | |
puts( (1..10).inject( &_{ _+_ } )) | |
print 'Enter Integers ( 1-99 ): ' | |
while input = gets | |
case i = input.to_i | |
when P( _{ ( _ % 15 ).zero? } ) | |
puts 'FizzBuzz' | |
when P( _{ ( _ % 3 ).zero? } ) | |
puts 'Fizz' | |
when P( _{ ( _ % 5 ).zero? } ) | |
puts 'Buzz' | |
else | |
puts i | |
end | |
end | |
##NEED MORE TESTS!!### | |
end |
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