From: Roger Pack <rogerpack2005@...>
Date: 2009-12-23T01:29:01+09:00
Subject: Re: select!


> Enumerable does not have a reject! since not all Enumerables are
> mutable either in general or during enumeration

Yeah this is a feature request only for Array#select!

[Enumerable doesn't have a reject! nor should it have a select!]

> Maybe Matz felt that using "select" to actually _delete_ from an Array
> would be considered weird.  And indeed, we have #delete, #delete_at
> and #delete_if:

His words:

> Enumerables cannot have bang method, since they are not always
> mutable.  The reason we don't have Array#select! is that I feel the
> word select means picking up elements, not removing non-selecting
> elements.  But I once felt same way to map! and (English speaking)
> people persuaded me, so same thing could happen on select! as well.

So yes but hopefully I can change his mind :)

-r
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