Re: [gentoo-portage-dev] [PATCH] unprivileged mode: generate PORTAGE_DEPCACHEDIR

[Alexander Berntsen <bernalex@gentoo.org>]

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On 11/11/14 01:17, Zac Medico wrote:
> We could certainly express it in a way that doesn't involve any
> mutating loop control variables, but ultimately that's going to
> lead to more lines of code, and it will leave imperative
> programmers wondering why we didn't choose a simpler and more
> succinct approach.
> 
> For example, we could create an class for iterating over the paths
> from a given path down to the root directory. Then we could create
> a function which selects the first element from that iterator that
> exists. Once the class and function are implemented, their usage
> would be very succinct:
> 
> first_parent = first_existing(iter_parents(path))
I would greatly prefer this. But I suppose I'm in a minority. v2 of
the patch is fine by me.

- -- 
Alexander
bernalex@gentoo.org
https://secure.plaimi.net/~alexander
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