aspect4r_blog11.rb

class A
  include Aspect4r
  
  def test value
    puts 'test'
    value
  end
  
  around :test do |proxy, value|
    puts 'around 1'
    result = a4r_invoke proxy, value
    puts 'around 2'
    result
  end
  
  before_filter :test do |value|
    puts 'before_filter'
    value >= 0
  end

  before :test do |value|
    puts 'before'
  end
  
  after :test do |result, value|
    puts 'after'
    result
  end
end

puts A.new.test(1)
# ==== Output ====
# before_filter
# before
# around 1
# test
# around 2
# after
# 1

puts A.new.test(-1)
# ==== Output ====
# before_filter

class A
include Aspect4r

before :test, :validate
after :test, :handle_result

def test value
value
end

def validate value
end

def handle_result result, value
end
end