From: Ryan Davis <ryand-ruby@...>
Date: 2010-11-30T20:09:26+09:00
Subject: [ruby-core:33489] Re: [Ruby 1.9-Feature#4102][Open] Proposal for 'let'. A new approach using block-defaults in 1.9


On Nov 29, 2010, at 19:47 , john mair wrote:

> This is a very simple function, it would be implemented as follows:
> 
>    module Kernel
>      private
>      def let() yield end
>    end
> 
> First of all, do not dismiss this functionality out of hand because of 
> its simplicity.

Personally, I like it... I think it is a very illustrative tool with a lot of utility (mostly for teaching, but that's still very useful).

But I think you should release it as a gem first and let it make the rounds. 

And hey... if you write it, rails will find a way to use it! DBT :D

That's how the tap method came to be in core...