From: Michal Gabrukiewicz <gabru@...>
Date: 2007-12-01T00:04:10+09:00
Subject: Re: problem with 'self'. behaves different on setting and ge

thanks jari ... i can see clearly now :)

Jari Williamsson wrote:
> Michal Gabrukiewicz wrote:
> 
>> so my 1st question is: why doesnt the 'set_foo' method calls the 'x'
>> method if i remove the self?
> 
> Because it now thinks that x is a local variable. This is one of the
> basics of Ruby.


thats the important thing!


> 
> If you use NetBeans, the editor will alert you about these kind of
> things in the colored syntax.
> 
>> THE INTERESTING THING: 'get_foo' works with 'x' and 'self.x'
> 
> Yes, but with different result behind the scenes. 'x' is the same as
> 'x()', while 'self.x' is the same a '@x'
> 
>> and the 2nd question: when should i use self now and when not and why is
>> there this strange behavoir?
> 
> You should use self when a left-side argument can be interpreted as a
> local variable.
> 
> 
> Best regards,
> 
> Jari Williamsson

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