From: Yukihiro Matsumoto <matz@...>
Date: 2007-08-31T15:43:41+09:00
Subject: Re: Pragmas in Ruby 1.9

Hi,

In message "Re: Pragmas in Ruby 1.9"
    on Fri, 31 Aug 2007 15:35:09 +0900, David Flanagan <david@davidflanagan.com> writes:

|However, if we're going to call these magic comments pragmas, then 
|people will want to be able to define other pragmas in comments. (And 
|indeed, a framework for accepting pragmas with names other than "coding" 
|is already in place in parse.y.)  This is what has me concerned.  If 
|we're going to have a general pragma facility in the language, I suggest 
|that it ought to be *part of the language* and not a magic 
|comment-processing hack.

Hmm, reasonable.  OK, I will not call these magic comments as
pragmas any longer.  We will rename internal parser routines as well
to remove the term pragma from them.

|2) If we need to introduce more general pragmas, I suggest overloading 
|Kernel.require.  It should behave as usual if passed a string.  But it 
|can handle pragmas if passed a hash.  Some possible examples (using Ruby 
|1.9 hash syntax):

This is interesting.  When we need to introduce pragma in the
language, I will come back this idea from you.

							matz.