From: Michael Fellinger <m.fellinger@...>
Date: 2009-05-16T01:00:29+09:00
Subject: Re: [ANN] enumerable-extra 0.1.0

On Fri, 15 May 2009 01:08:12 +0900
"Daniel Berger" <djberg96@gmail.com> wrote:

> Hi,
> 
> Convinced that Symbol#to_proc is mostly a solution in search of a
> problem, I've released enumerable-extra 0.1.0.
> 
> = What is it?
> 
> The enumerable-extra library overrides Enumerable#map, Array#map and
> Array#map to accept a method, with optional arguments, that are
> performed on every element of the list.
> 
> For example, instead of this:
> 
> array.map{ |e| e.capitalize }
> 
> You can do this:
> 
> array.map(:capitalize) # Capitalize every element
> 
> You can also mix and match:
> 
> array.map(:capitalize){ |e| e + 'x' } # Add 'x' after capitalizing
> every element
> 
> = Why is it better than Symbol#to_proc ?
> 
> First, it doesn't require additional notation, i.e. no "&", no "its",
> no "self" - just a method name. In my opinion, that makes the syntax
> cleaner. Second, Symbol#to_proc is slow.

Sorry, but Symbol#to_proc is actually the faster way since it was added into
the core, so your statement is only true for < 1.8.6.

Benchmark at: http://pastr.it/15719

-- 
^ manveru