From: Aldric Giacomoni <"aldric[remove]"@...>
Date: 2008-12-17T06:39:20+09:00
Subject: Re: Ruby 1.8.6 - normal behavior ?

Tom Link wrote:
>> #Apparently, the simple fact of checking this keeps Ruby from raising
>> #a NoMethodError when those entries don't exist
>>     
>
> Entry is a hash I presume?
>
> a = {:a => 1, :b => 2}
>
> a[:a]
> => 1
> a[:x]
> nil
>   
Entry is a very big hash and I use those values later - if I don't run 
those three lines, I'll get a crash, but if I run those three lines, 
using those values is fine even if they don't exist... Oh -- is that 
because it -creates- the key-value pair when I look at it ?