for @RobotDeathSquad

gistfile1.txt

#!/usr/bin/env ruby

require 'sinatra'

$conts = []

def link_to title, &b
  id = $conts.size
  $conts[id] = b

  "<a href='/next/#{id}'>#{title}</a>"
end

get '/hi', :provides => 'html' do
  "hello world " + link_to("click here") { "thanks for clicking!" }
end

get '/next/:id', :provides => 'html' do |id|
  $conts[id.to_i].call
end