Re: Map and filter without intermediate tables

[Javier Guerra Giraldez <javier@...>]

On Fri, Jun 8, 2012 at 6:22 AM, joao lobato <btnfdp.lobato@gmail.com> wrote:
> In a functional language, where each
> function is only defined by what goes in and what comes out, it makes
> sense to return the same object modified.

au contraire, in functional langues it's "more pure" to return a
modified copy.  possibly sharing non-modified parts with the original,
extra points if there's some COW around.

-- 
Javier