From: "David A. Black" <dblack@...>
Date: 2009-12-28T20:41:20+09:00
Subject: Re: creating array

Hi --

On Mon, 28 Dec 2009, 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

In 1.8.6 you can do:

   array = (1..5).map {|i| i * 10 }

and in 1.9 you can do:

   10.step(50,10).to_a

I can never keep track of which side of the fence 1.8.7 falls on, but
you can try both.


David

-- 
David A. Black
Senior Developer, Cyrus Innovation Inc.
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