From: Daniel Baird <danielbaird@...>
Date: 2006-03-15T13:14:41+09:00
Subject: Re: Enumerable#find return index

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try
arr.index(3)

;Daniel

On 15/03/06, Tod McIntyre <todmcintyre@gmail.com> wrote:
>
> This is quite embarassing because I Don't consider myself a poor
> programmer, but I just started looking at ruby the other day.
>
> Blocks seem to be a good way to iterate through something to search for
> an entry for instance.  It's easy to return the object that meets
> certain criteria using blocks but I'm finding it hard to return the
> index of that particular object in, say, an array.
>
> as an example
>
> arr=3D[4,1,3,7]
> arr.find { |f| f=3D=3Dsomeval }
> will return the val within arr that matches someval, which doesn't
> really help me because I already have someval
>
> How do I actually return the index in arr to the first match of someval.
>
> so if someval =3D=3D 3, my block would return 2, for the above example
>
>
> --
> Posted via http://www.ruby-forum.com/.
>
>


--
Daniel Baird
http://danielbaird.com (TiddlyW;nks! :: Whiteboard Koala :: Blog :: Things
That Suck)
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