forresty

# http://pragdave.me/blog/2007/12/30/pipelines-using-fibers-in-ruby-19/
# http://pragdave.me/blog/2008/01/01/pipelines-using-fibers-in-ruby-19part-ii/

class PipelineElement
  attr_accessor :source

  def initialize
    @transformer ||= method(:transform)
    @filter ||= method(:filter)

forresty

deb http://ftp.sjtu.edu.cn/ubuntu/ trusty main restricted universe multiverse
deb http://ftp.sjtu.edu.cn/ubuntu/ trusty-updates main restricted universe multiverse
deb http://ftp.sjtu.edu.cn/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://ftp.sjtu.edu.cn/ubuntu/ trusty main restricted universe multiverse
deb-src http://ftp.sjtu.edu.cn/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://ftp.sjtu.edu.cn/ubuntu/ trusty-security main restricted universe multiverse

forresty

#!/usr/bin/env ruby

def to_utf8(codepoint)
  case codepoint
  when (0..0x7F)
    [codepoint]
  when (0x80..0x7FF)
    [
      0b11000000 + (codepoint >> 6),
      0b10000000 + (codepoint & 0b111111)

forresty

#!/usr/bin/env ruby

def from_utf8(bytes)
  def assert_cont_byte(*bytes)
    bytes.each do |b|
      raise UTF8Error, "not a valid continuation byte: #{b}" unless (128..191).include?(b)
    end
  end

  i = 0

forresty

#!/usr/bin/env ruby

encodings = Encoding.list.each_with_object({}) do |enc, full_list|
  full_list[enc.name] = [enc.name]
end

Encoding.aliases.each do |alias_name, base_name|
  fail "#{base_name} #{alias_name}" unless encodings[base_name]
  encodings[base_name] << alias_name
end

forresty

# Regional Indicator Symbol

puts "\u{1f1fa 1f1f8}" # US
puts "\u{1f1ef 1f1f5}" # JP
puts "\u{1f1e8 1f1f3}" # CN
puts "\u{1f1ec 1f1e7}" # GB
puts "\u{1f1e9 1f1ea}" # DE
puts "\u{1f1eb 1f1f7}" # FR
puts "\u{1f1ea 1f1f8}" # ES
puts "\u{1f1f7 1f1fa}" # RU

forresty

#!/usr/bin/env ruby

module PJ
  module Parser
    extend self

    def decode(string)
      tokens = lex(string)

      raise ParseError, "too few tokens" if tokens.length < 2

forresty

class String
  def to_proc
    lambda { |obj| obj.send(self) }
  end
end

p ['a'].map(&"upcase")
# => ["A"]

forresty

require File.expand_path(File.dirname(__FILE__) + '/neo')

# Greed is a dice game where you roll up to five dice to accumulate
# points.  The following "score" function will be used to calculate the
# score of a single roll of the dice.
#
# A greed roll is scored as follows:
#
# * A set of three ones is 1000 points
#

forresty

module AttributeAddition
  def attribute(att, &block)
    if att.is_a?(Hash)
      att.each do |a, default|
        define_attribute(a, default)
      end
    else
      define_attribute(att, &block)
    end
  end