From: Robert Klemme <shortcutter@...>
Date: 2010-04-22T01:20:06+09:00
Subject: Re: Function accepting argument list or array

On 04/21/2010 05:52 PM, Jesús Gabriel y Galán wrote:

> although be careful, this will flatten nested arrays all along (don't
> know if this is good or bad for you):
> 
> irb(main):025:0> method [[1,2],[3,4]]
> [1, 2, 3, 4]

You can control that at least in 1.8.7 and 1.9.*:

irb(main):001:0> a=[[[1,2],3],4]
=> [[[1, 2], 3], 4]
irb(main):002:0> a.flatten
=> [1, 2, 3, 4]
irb(main):003:0> a.flatten 1
=> [[1, 2], 3, 4]
irb(main):004:0>

Kind regards

	robert

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