From: dblack@...
Date: 2007-01-26T09:22:38+09:00
Subject: Re: Ruby language question

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Hi --

On Fri, 26 Jan 2007, Neville Franks wrote:

> Stefano Crocco wrote:
>> Alle 01:02, venerd=C3=AC 26 gennaio 2007, Neville Franks ha scritto:
>>>      end
>>>    end
>>>
>>> None of the reference material I've found so far shows this. I saw it i=
n
>>> the documentation for: attr(symbol, writable=3Dfalse) =3D> nil
>>>
>>> Thanks,
>>> Neville
>>
>> def size=3D(val) is simply the definition of a method called size=3D, wh=
ich
>> accepts the parameter val. It's the ruby way of allowing write access to
>> an
>> instance variable. Its role is similar to C++ setter functions. When you
>> write
>>
>>   an_object.var=3D2
>>
>> I hope this answers your question.
>>
>> Stefano
>
> Stefano, thanks that makes sense. I guess it is a more like operator
> overloading in C++, maybe!
>
> Would you expect to see the method listed as: size=3D in a Class Viewer o=
r
> just size ?

You wouldn't see size=3D listed as size; size and size=3D are different
methods.  The =3D is part of the method name.


David

--=20
Q. What is THE Ruby book for Rails developers?
A. RUBY FOR RAILS by David A. Black (http://www.manning.com/black)
    (See what readers are saying!  http://www.rubypal.com/r4rrevs.pdf)
Q. Where can I get Ruby/Rails on-site training, consulting, coaching?
A. Ruby Power and Light, LLC (http://www.rubypal.com)
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