From: matz@... (Yukihiro Matsumoto)
Date: 2002-06-13T00:02:29+09:00
Subject: Re: a new block parameter/variable notation (Re: ruby-dev summary 17252-17356)

Hi,

In message "Re: a new block parameter/variable notation (Re: ruby-dev summary 17252-17356)"
    on 02/06/12, Dave Thomas <Dave@PragmaticProgrammer.com> writes:

|How hard would it be to issue a warning when a block parameter shadows
|a local variable. Then we could simple say that in 1.10 it won't be
|supported; all block parameters are local. That would give folks a
|year or so to change their code.

Not much, if I decide so.  But I'm still not sure whether making
block parameters block-local is a good thing to do, when they are used
as iteration variables.

Plus, I feel like it's a good chance to fix another Ruby's design flaw
(i.e. lambda{|a|p a}.call(1,2,3) trap) at once.

							matz.