bruce (owner)

Revisions

gist: 43329 Download_button fork
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Public Clone URL: git://gist.github.com/43329.git
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clingwrap-example.rb #
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$:.unshift(File.dirname(__FILE__) << '/../lib')
 
require 'clingwrap'
 
class Widget
  def do_something
    sleep 0.12
    puts "Did something!"
  end
end
 
module DoSomethingPreparation
  def do_something
    puts "(prepwork for Widget#do_something)"
    super
  end
end
 
Widget.clingwrap(DoSomethingPreparation)
 
Widget.clingwrap "Time invocation" do
  def do_something
    start = Time.now
    result = super
    puts "Elapsed: %.4fs" % (Time.now - start)
    result
  end
end
 
widget = Widget.new
widget.do_something
 
puts "\nUsing super-and-extend, not just an alias hack!"
puts "---\nIt also gives anonymous wrappers pretty names when inspected:"
p (class << widget; self; end).ancestors
 
 
output.txt #
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(prepwork for Widget#do_something)
Did something!
Elapsed: 0.1201s
 
Using super-and-extend, not just an alias hack!
---
It also gives anonymous wrappers pretty names when inspected:
[(Wrapper:"Time invocation" @ simple.rb:21), DoSomethingPreparation, Widget, Object, Kernel]