From: Gavin Sinclair <gsinclair@...>
Date: 2004-12-09T09:51:13+09:00
Subject: Re: [ANN] Ruby/Extensions v0.6.0

On Thursday, December 9, 2004, 11:32:31 AM, Florian wrote:

>> So any array that properly implements size and at should do the trick.

> I'm thinking about something like this: (Made-up sample, does not make
> much sense in isolation -- but it could also happen in real code.)

> class Enumerable
>    def find_some(chance = 0.5)
>      find_all { rand < chance }
>    end
> end

> I think using the Array#rand extension would lead to trouble in this case:

> [1, 2, 3].find_some

> Because Enumerable#find_some expects to call Kernel#rand.

OIC.  Yes, when dabbling in these waters I tend to be explicit, so I
would use Kernel.rand instead.

> I'm not sure if it is necessary to rename it (Array#pick_rand seems to
> be a common candidate), but a note in the documentation might be a good
> thing.

Yes.  I'll put something in.

Gavin