From: Kedar Mhaswade <kedar.mhaswade@...>
Date: 2009-01-11T05:24:26+09:00
Subject: Re: value of an expression?


> 
> In this case the assignment with 1 is never executed and hence the value
> of the variable does not change.  The result of the _whole_ expression
> however is either nil (in case of the condition evaluating to false) or
> the result of evaluating the expression before the "if".
> 
> Assignments happen to be defined as expressions in Ruby (everything is -
> there is no distinction between statement and expression like in some
> other languages).  So they have a result like evaluating any other
> expression like (1 + 3) for example.   The way it is defined the result
> of an assignment expression is the right hand side.  You can view the
> change of the variable as a side effect of evaluating the assignment
> expression.
> 

Thanks Robert. I get it now.

Regards,
Kedar
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