From: Joel VanderWerf <vjoel@...>
Date: 2004-02-01T04:33:49+09:00
Subject: Re: cascading message sends

Paul MG wrote:
> In Smalltalk, which Ruby is much like in some ways, you can 'cascade'
> message sends. That is, call a bunch of methods on the same object
> without naming it explicitly over and over. Eg:
> 
>      aCollection add: 5; add: 7; add: 'foo' !
> 
> calls 'add' on 'aCollection' 3 times, sending 5, 7, and 'foo'.
> 
> Does Ruby have this syntax?

Here's one option, not as elegant:

x=[]
x.instance_eval do
   push 1
   push 2
   push 3
end
p x

Inside the do...end block, "self" is x.