From: gabriele renzi <surrender_it@...1.vip.lng.yahoo.com>
Date: 2003-04-26T04:23:41+09:00
Subject: Re: freezing Array/Hash length

il Sat, 26 Apr 2003 01:13:29 +0900, "Brett H. Williams"
<brett_williams@agilent.com> ha scritto::


>First I don't think myarr.last < MAX_LENGTH does what you want:

doh! I meant to write "length" not "last"..



>At any rate, why not:
>
>class FixedArray < Array
>  def push(x)
>    super(x) if size() < MAX_LENGTH
>  end
>  def []=(idx,x)
>    super(idx,x) if idx < MAX_LENGTH - 1
>  end
>end
>
>You'd still have to be careful of other methods that might increase the length
>of an array.


well, this is a slightly better solution, I just thought that could be
something like Array#fix_size that I (and ri) was'nt aware of.. 

>> [1] damn, I always wanted a variable length array when using java..
>
>like a Vector?

sure, but doing
mine  = (mySpecificClass) myVector.elementAt(10)
is way worst than 
my = myArray[10]

^_^

anyway, thanks