From: Kyung won Cheon <kdream95@...>
Date: 2009-01-05T10:34:44+09:00
Subject: Re: about searching constant

Mike Gold wrote:

> An invisible parameter is passed to a block (search for cases of
> specific_eval in eval.c) which is used for constant lookups.
> 
> For A.module_eval { } and A.class_eval { }, that invisible parameter
> is A.  But for A.instance_eval { }, it is A's singleton class.
> 
> The constant lies in A, not in A's singleton class.

> You must be inside "class 
> A" (or "module A") to get the constant lookup of WHY == A::WHY.

I understand it now...

Thank you!!

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