From: Trans <transfire@...>
Date: 2007-04-07T21:16:11+09:00
Subject: Re: about functional programming



On Apr 6, 1:15 am, "gaoxtwarrior" <g...@cssweb.com.cn> wrote:
> when it comes the method needs two block to accomplish a task,how the ruby
> do which? for example , the classical sum(filter,mapping,iterator)(I have
> forgotten the style, maybe,the one can search it in SICP)

You can cache one block and wait on the other, from another method,
eg.


  foo{ block1 }.bar{ block2 }

Like so:

  def foo(&b)
    @foo = b
    self
  end

  def bar(&b)
    #do stuff with @foo and b
  end

T.