From: Logan Capaldo <logancapaldo@...>
Date: 2006-04-02T05:25:49+09:00
Subject: Re: strange order of execution

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On Mar 29, 2006, at 9:53 AM, James Edward Gray II wrote:

> >> require "erb"
> => true
> >> ruby_code = "<%= 2 + 2 %>"
> => "<%= 2 + 2 %>"
> >> template = ERB.new(ruby_code)
> => #<ERB:0x317020 @src="_erbout = ''; _erbout.concat(( 2 +  
> 2 ).to_s); _erbout", @safe_level=nil, @filename=nil>
> >> template.result
> => "4"
>
> ?

If I may interject, in Lisp, you can do the equivalent of hooking   
into the lexer, and then expanding something into a new sequence of  
tokens, this is what he means by reader.
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