From: Ryan Davis <ryand-ruby@...>
Date: 2010-09-11T07:30:13+09:00
Subject: Re: problem in hash and symbol


On Sep 10, 2010, at 14:19 , Amir Ebrahimifard wrote:

> Hi everybody
> I have a question about hash and symbol. when I use symbol for key in
> hash , it didn't for me. what is the problem ?
> 
> (example : hash = { :odd => [ 1 , 3 , 5 ] , :even => [ 2 , 4 , 6 ] , :7
> => "chance" , "number" => 1 } )

what isn't working for you? the :7 ? that's not valid syntax for ruby symbols. You'll have to use the :"extended symbol" notation:

> >> hash = { :odd => [ 1 , 3 , 5 ] , :even => [ 2 , 4 , 6 ] , :"7" => "chance" , "number" => 1 }
> => {"number"=>1, :"7"=>"chance", :odd=>[1, 3, 5], :even=>[2, 4, 6]}