continuity.rb

# Continuation - http://www.ruby-doc.org/core-2.1.3/Continuation.html
require 'continuation'


# class Continuity

#   def initialize total
#     @total = 5
#   end

#   def next
#   end

# end


# cont = Continuity.new(5)


# puts "1:#{cont.next}"

# puts "2:#{cont.next}"

# puts "3:#{cont.next}"


x = 0
puts "A#{x} on #{Thread.current}"
c = callcc { |cc| puts "c on #{Thread.current}"; cc }
puts "B#{x} on #{Thread.current}"
d = callcc { |cc| puts "d on #{Thread.current}"; cc }
puts "C#{x} on #{Thread.current}"
x += 1
puts "D#{x} on #{Thread.current}"

if c
  puts "Calling c #{c} on #{Thread.current}"
  c.call
else
  puts "Not Calling c #{c} on #{Thread.current}"
end

if d
  puts "Calling d #{d} on #{Thread.current}"
  d.call
else
  puts "Not Calling d #{d} on #{Thread.current}"
end

puts "EOF on #{Thread.current}"

continuity1.rb

# Continuation - http://www.ruby-doc.org/core-2.1.3/Continuation.html
require 'continuation'

puts "START"

c = nil
i = 0

callcc do |cc|
  puts "c on #{Thread.current} #{cc}"
  c = cc
end

puts "REPEAT-#{i}"
i+= 1
c.call if i < 10

puts "EOF"