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List: kde-core-devel
Subject: Re: Using scripting languages for KDE4 main modules
From: Guillaume Laurent <glaurent () telegraph-road ! org>
Date: 2006-10-03 16:26:01
Message-ID: 45228F19.9090307 () telegraph-road ! org
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Stephen Leaf wrote:
>
> Yes I just found that in the tutorial I'm in...
> [1, 3, 5, 7, 9].find {|v| v*v > 30 } » 7
> Can anyone explain to me How that is natural to read??
>
How about : array.find { |item| predicate(item) } -> returns the 1st
item of the array for which 'predicate()' returns true.
Really, this syntax is so pervasive in Ruby, you won't have much trouble
with it very quickly.
> I might agree more if I ever did a closure in perl. (might be I'm not sure
> what you mean by a closure?)
>
Anonymous function. In Ruby, code blocks are first class objects (every
done any Lisp ? the concept should be familiar).
Anyway, this is getting OT. Feel free to email me if you want to carry
on this discussion.
--
Guillaume
http://telegraph-road.org
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