From: James Gray <james@...>
Date: 2008-01-25T01:10:55+09:00
Subject: Re: Change a data structure

On Jan 24, 2008, at 10:02 AM, 7stud -- wrote:

> Michael Schmarck wrote:
>> yermej <yermej@gmail.com> wrote:
>>
>>> I'll offer up an inject version (mostly for novelty's sake):
>>> timing_given.each {|k, v| timing_given[k] = v.inject(Hash.new {|h,  
>>> k|
>>> h[k] = []}) {|acc, h| h.each {|k, v| acc[k] << v}; acc}}
>>
>> Geez - did you use to code perl code? Because Perl code tends to
>> be as unreadable and compact as yours :)
>>
>> It works good, but I guess I've got some reading to do, to actually
>> understand why it's working ;->
>>
>
> Don't bother.  inject() is such an inefficient function it should  
> never
> be used in ruby code.

Ouch.  That's a pretty bold claim.

Is inject() too inefficient for use on a ten element Array?  How about  
three?

Perhaps "never" was the wrong word.

James Edward Gray II