From: ptkwt@...1.aracnet.com (Phil Tomson)
Date: 2001-12-06T18:52:46+09:00
Subject: [ruby-talk:27665] Re: Sending a Proc to a remote dRuby object

In article <k9HP7.141167$Lc.4705524@sjcpnn01.usenetserver.com>,
Phil Tomson <ptkwt@shell1.aracnet.com> wrote:
>In article <Pine.GSO.4.21.0112061022210.14067-100000@godzilla.ce.chalmers.se>,
>Robert Feldt  <feldt@ce.chalmers.se> wrote:
>>On Thu, 6 Dec 2001, Phil Tomson wrote:
>>
>>> Is it even possible to pass a Proc to a remote dRuby object like this?
>>> 
>>This is a "classic" q so if its not in the FAQ we should probably move it
>>there. Procs and Threads (and some other type of objects) cannot be
>>marshaled so dRuby will have problems... ;-) Maybe we should list which
>>classes are affected in the FAQ?
>
>This is what I thought, but why does this example work:
>
>#----remote object ------------
>require "drb/drb"
>primary = DRb::DRbServer.new("druby://localhost:5555", [1,2,3,4,5])
>primary.thread.join
>
>#----local--------
>require "drb/drb"
>primary = DRb::DRbServer.new
>ts = DRb::DRbObject.new(nil, ARGV.shift)
>#try sending a proc:
>ts.each { |i| puts i }
>
>#prints, on local machine:
>1
>2
>3
>4
>5
>
>(I suppose the answer has soemthing to do with the proc executing on the 
>local machine.)

Oh, of course, now I see it (everything is getting a bit slow at 2AM) - 
the proc isn't being passed in this case.  A variable is being yeilded to 
it from the remote Array object's each method - right?

Phil