From: TRANS <transfire@...>
Date: 2005-05-11T02:30:26+09:00
Subject: Re: [BUG?] Array#slice!() adds elements to Array

Thanks Florian. I'll look it over. I'm just getting back to work now.
Spent the last week or so moving.

T.


On 5/5/05, Florian Gro� <florgro@gmail.com> wrote:
> Moin.
> 
> The following behavior is undocumented and IMHO counter-intuitive and of
> little use:
> 
> # Limit an array to three elements
> irb(main):001:0> obj = [1]; obj.slice!(3 .. -1); obj
> => [1, nil, nil]
> 
> I've always thought about .slice!() as a good way of truncating. The
> above conflicts with that use of the method.
> 
> Note that I am okay with having that behavior for obj[3 .. -1] = [] so
> it would still be reachable in case anybody finds it useful. If that is
> too long I think it would also be okay to add Array#size= for that case.
> 
> If you think that the above makes sense the documentation should still
> be updated to point out that case and I think it would be a good idea to
> add a method for truncating arrays in that case.
> 
> Kind regards,
> Florian Gross
> 
>