fun_with_send_example_1.rb

# Example #1: proxy div lookup
class ProxyObject
  def method_missing(method, *args, &block)
    puts "fake send a method to another process: #{method}(*#{args.inspect}, &#{block.inspect})"
  end
end

$browser = ProxyObject.new
$browser.send :div, /foo/

#produces:
# fake send a method to another process: div(*[{:text=>/foo/}], &nil)

fun_with_send_example_2.rb

# Example #2: proxy div & span lookup
class ProxyObject
  def method_missing(method, *args, &block)
    puts "fake send a method to another process: #{method}(*#{args.inspect}, &#{block.inspect})"
  end
end

$browser = ProxyObject.new
$browser.send :div, /foo/
$browser.send :span, /foo/

#produces:
# fake send a method to another process: div(*[{:text=>/foo/}], &nil)
# fake send a method to another process: span(*[{:text=>/foo/}], &nil)

fun_with_send_example_3.rb

# Example #3: proxied p lookups don't work!
class ProxyObject
  def method_missing(method, *args, &block)
    puts "fake send a method to another process: #{method}(*#{args.inspect}, &#{block.inspect})"
  end
end

$browser = ProxyObject.new
$browser.send :div, /foo/
$browser.send :span, /foo/
$browser.send :p, /foo/

#produces:
# fake send a method to another process: div(*[{:text=>/foo/}], &nil)
# fake send a method to another process: span(*[{:text=>/foo/}], &nil)
# {:text=>/foo/}

fun_with_send_example_4.rb

# Example #4: eval all the way to the bank
class ProxyObject
  def method_missing(method, *args, &block)
    puts "fake send a method to another process: #{method}(*#{args.inspect}, &#{block.inspect})"
  end
end

$browser = ProxyObject.new
eval "$browser.div /foo/"
eval "$browser.span /foo/"
eval "$browser.p /foo/"

#produces:
# fake send a method to another process: div(*[{:text=>/foo/}], &nil)
# fake send a method to another process: span(*[{:text=>/foo/}], &nil)
# fake send a method to another process: p(*[{:text=>/foo/}], &nil)

fun_with_send_example_5.rb

# example #5: it handles everything you throw at it
def find_stuff(*args, &block)
  %w(lasers hand_grenades p).each do |tag_name|
    eval "$browser.#{tag_name} *args, &block"
  end
end

find_stuff :text => /foo/

#produces:
# fake send a method to another process: lasers(*[{:text=>/foo/}], &nil)
# fake send a method to another process: hand_grenades(*[{:text=>/foo/}], &nil)
# fake send a method to another process: p(*[{:text=>/foo/}], &nil)