From: "Christoffer Lernö" <lerno@...>
Date: 2007-03-16T21:26:28+09:00
Subject: Re: Anyone playing with higher order messaging in ruby?


On Mar 16, 2007, at 13:21 , Robert Dober wrote:

> On 3/16/07, Christoffer Lern� <lerno@dragonascendant.com> wrote:
>> And another example:
>>
>> # A chat server where @clients = [connection1, connection2...]
>> # message = "Hello"
>> # sender = "Bob"
>>
>> # With normal each:
>> packet = BroadcastChatPacket.new("#{sender} says: #{message}")
>> @clients.each { |c| c.broadcast(packet) }
>>
>> # With each_do:
>> @clients.each_do.broadcast(BroadcastChatPacket.new("#{sender} says: #
>> {message}"))
>>
>> Eliminating the need for the temporary variable.
>>
> Do I understand correctly when I remark that a new BroadcastChatPacket
> instance is created or each iterator call in #each_do.broadcast,

No, each_do will only create BroadcastChatPacket once.

/Christoffer