comp.lang.ruby

Mark Guzman

12/19/2006 11:06:00 PM

Gavin Kistner wrote:
> From: Mark Guzman [mailto:segfault@hasno.info]
>
>> I've written up some ruby gotchas that have come up while using ruby.
>> I'm wondering if there are any other gotchas that I should be
>> aware of.
>> The list is available at:
>> http://.../2006/12/14/ruby-gotchas-a...
>>
>
> A nice list. I don't think I can add any to that, because your list
> largely seems to stem from what violated your personal expectations. For
> example, I'm used to JavaScript and Lua where the logical AND and OR
> operators (by their various names) do act as guards that return the
> first value that answers the question, never 'producing' a boolean
> value. Additionally, nil and false are the only non-truth values in Lua,
> too.
>
Yes, I should probably qualify it at the start. I'm coming from a
java/c#/c background and a lot of things stem from that.
> One comment about your item #8 - you might want to mention that 1.0/2 or
> 1/2.0 *is* 0.5. Your wording implies (to the novice reader) that you
> need to include 'mathn' for math to work properly.
>
Good point, I'll update it.
--mark

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