From: "Matthias Wächter" <matthias@...>
Date: 2007-09-04T16:53:08+09:00
Subject: Re: with

On 04.09.2007 09:47, Michael Fellinger wrote:
> On 9/4/07, Nobuyoshi Nakada <nobu@ruby-lang.org> wrote:
>> "tap" in 1.9 is same.

Great to hear that this is really not available yet :) and I'm not
the only one thinking it should be!

> They have different effects, while 'tap' will return self and throw
> away results of the block, 'with' returns the result of the block.
> 
> [manveru@pi ~]$ RUBYOPT= irb19
> class Object
>   def with
>     yield(self)
>   end
> end
> # nil
> 1.tap{|e| e + 1} + 2
> # 3
> 1.with{|e| e + 1} + 2
> # 4

So it's like .with == .single-map,  .tap == .single-each

Right?

- Matthias