From: Robert Klemme <shortcutter@...>
Date: 2009-12-12T18:35:06+09:00
Subject: Re: a question on method name

On 12.12.2009 08:27, Ruby Newbee wrote:
> Hello,
> 
> 
> This works fine for me:
> 
> class Horse
> 
>       def name
>               @name
>       end
> 
>         def nameset(v1,v2)
>                 @name = v1 + v2.to_s
>         end
> 
> end
> 
> xx=Horse.new
> xx.nameset("hello ",1)
> p xx.name
> 
> 
> But if I changed the method name, it won't work.
> 
> class Horse
> 
>       def name
>               @name
>       end
> 
>         def name=(v1,v2)
>                 @name = v1 + v2.to_s
>         end
> 
> end
> 
> xx=Horse.new
> xx.name=("hello ",1)
> p xx.name
> 
> 
> the error says:
> 
> syntax error, unexpected ',', expecting ')'
> xx.name=("hello ",1)
>                   ^
> 
> Please help, thanks in advance.

Methods with assignment operator are separately treated by the parser - 
as you just learned.  You can only have 1 argument.

Btw, usually an assignment method, does just that.  In your case you are 
concatenating two strings which is probably worth a different method name.

Kind regards

	robert


-- 
remember.guy do |as, often| as.you_can - without end
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