From: Mathias <nospam@...>
Date: 2006-02-23T03:43:31+09:00
Subject: Re: nested arrays

Hi Robert,

>> nested arrays. Why is: var = Array.new(p, Array.new(q, 0)) not the
>> same as:
>> var = Array.new(p) {Array.new(q, 0)} ?? (I know the later one works,
>> but it took me ages for figuring this out :D)
>>
>> Thnx for your answer.. Mathias
> 
> Because in the first case you provide just a single object that is used
> for initialization while the second case you provide a code block that is
> executed once for each array element to initialize.  Does that help?

Yepp, and "language reference" says:
Array.new(size, obj) means [... is created with size copies of obj (that is,
size references to the same obj)..] I possible read the _same_ over and
over again ;).


thanks for fast reply, Mathias