From: MonkeeSage <MonkeeSage@...>
Date: 2007-12-03T11:14:59+09:00
Subject: Re: Generator#yield - what does it do?

On Dec 2, 8:09 pm, MonkeeSage <MonkeeS...@gmail.com> wrote:
> On Dec 2, 5:03 pm, Wolfgang Nádasi-Donner <ed.oda...@wonado.de> wrote:
>
>
>
> > Hi!
>
> > I am confused somehow with respect to "Generator#yield". The description
> > (ri) is...
>
> > >ri Generator#yield
>
> > -------------------------------------------------------- Generator#yield
> >      yield(value)
> > ------------------------------------------------------------------------
> >      Yields an element to the generator.
>
> > It's unclear for me what this means. I would expect that the Generator
> > object delivers (yields) values by requirement through
> > "Generator#current" or "Generator#next", but what should be yielded to
> > an already existing Generator object?
>
> > Wolfgang Nádasi-Donner
> > --
> > Posted viahttp://www.ruby-forum.com/.
>
> It's for passing items *into* the generator's queue when the generator
> is created with the block form of Generator#new rather than from an
> existing enumerable. Example...
>
> require 'generator'
> g = Generator.new { | g |
>   1.upto(9) { | i |
>     g.yield(i)
>   }
>   g.yield(10)}
>
> until g.end?
>   p g.next
> end
>
> It probably should be spelled "inject" or something.

err...                          ^^^^^^^^ = "insert"

> Regards,
> Jordan