From: "Marvin Gülker" <sutniuq@...>
Date: 2009-12-28T20:35:51+09:00
Subject: Re: creating array

Haris Bogdanovi� wrote:
> Hi.
> 
> Is there a short way of creating array of numbers
> with, for example, step of 10, like this:
> 
> 10,20,30,40,50
> 
> By short I mean without going through iteration loop:
> 
> array=[]
> (1..5).each do |i|
>     array.push i*10
> end
> 
> 
> Thanks
> Haris

Take a look at Array.new[1]:

irb(main):001:0> Array.new(5){|i| i * 10}
=> [0, 10, 20, 30, 40]

With a little bit of math you should be able to get your desired result.

Marvin

[1]: http://www.ruby-doc.org/ruby-1.9/classes/Array.html#M000684
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