From: Robert Dober <robert.dober@...>
Date: 2009-01-09T06:34:27+09:00
Subject: [ruby-core:21223] Re: Definable != is a Bad Thing???

On Mon, Jan 5, 2009 at 9:37 AM, Kornelius Kalnbach <murphy@rubychan.de> wrote:
> Robert Dober wrote:
>> You sure could
>> def && a, &blk
>>   return blk.call if a
>>   a
>> end
>>
>> and
>> a && b
>> is syntactic sugar for
>> &&(a){b}
> mmh...the problem is, if you assign to a new local variable inside the
> block, like foo && (bar = 42), it matter whether the second operand has
> its own scope.
Does it have it's own scope?

559/81 > cat environement.rb && ruby environement.rb
#!/usr/local/bin/ruby
# vim: sw=2 ts=2 ft=ruby expandtab tw=0 nu syn=on:
# file: environement.rb
def x( a, &blk )
  blk.call
end

x( b = 42 ){ p b }

42

or did I missunderstand?

R.
-- 
It is change, continuing change, inevitable change, that is the
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longer without taking into account not only the world as it is, but
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