From: chiaro scuro <kiaroskuro@...>
Date: 2006-04-27T23:43:17+09:00
Subject: Re: from block to code (also: how to get the bindings of a block)

The quiz is a great resource, thanks.

In this case it happens that I can ignore closures.

However, I don't need closures I don't see why Ruby shouldn't
implement a method to return the code of a block..

On 4/27/06, Dave Burt <dave@burt.id.au> wrote:
> chiaro scuro wrote:
> >>> Does anyone know how to convert a block to a string representation of
> >>> the code it contains?
> >> Read the source file?
> > how would I know what is the source file and lines associated with a block?
> >
> > I was really hoping to get the info from the runtime, but I guess that
> > what you suggest could also be a pragmatic option.
>
> OK, here are some practical options. (Sorry for the previous comment. I
> was trying to dig this stuff up from my memory, but Quiz 34 came up
> instead.)
>
> #1: You can store a Proc with its code if you're willing to forgo
> closure of the the environment and to use syntax like this:
>
> method_name %{
>   proc_code
> }
>
> See Ruby Quiz 38: SerializableProc - http://rubyquiz.com/quiz38.html
>
> #2: You can get it from (I think) the runtime, using ZenHacks'
> Proc.to_ruby. See Ryan Davis' post in response to the same quiz:
> http://www.ruby-talk.org/cgi-bin/scat.rb/ruby/ruby-talk/148082
>
> Cheers,
> Dave
>
>


--
Chiaroscuro
---
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