From: John Johnson <johnatl@...>
Date: 2006-04-20T08:06:39+09:00
Subject: Re: Symbol#to_proc is just so beautiful


On 19-Apr-2006, at 15:03, Florian Gro� wrote:

>> When is this ever getting into Ruby Core?
>>   [1, 2, 3].all? &:positive?  => true
>>   [-1, 2, 3].all? &:positive? => false
>> It's just so damn beautiful!
>
> If you use this definition instead:
>
> class Symbol
>   def to_proc()
>     lambda { |obj, *args| obj.send(self, *args) }
>   end
> end
>
> You can also do this:
>
> (1 .. 5).inject(&:+) # => 15
> (1 .. 5).inject(&:*) # => 120

IIIEEEeee, it's Perl, it's Perl!  :-)

I don't see anything wrong with:

[1, 2, 3].all? { |n| n > 0 }

It's a lot more legible than getting into all the Snoopy talk (@#$%).

Regards,
   JJ
---
Help everyone. If you can't do that, then at least be nice.