From: "Jesús Gabriel y Galán" <jgabrielygalan@...>
Date: 2010-06-16T20:31:13+09:00
Subject: Re: Getting rid of self

On Wed, Jun 16, 2010 at 1:28 PM, Jason Roelofs <jameskilton@gmail.com> wrote:
> 2010/6/16 Jesús Gabriel y Galán <jgabrielygalan@gmail.com>
>
>> On Wed, Jun 16, 2010 at 11:37 AM, Andrea Dallera
>> <andrea@andreadallera.com> wrote:
>> > Have you tried it like this?
>> >
>> >
>> > ---
>> >
>> > def initialize(attributes = nil)
>> >
>> >  super attributes
>> >
>> >  step                = 0
>> >
>> >  national_debt       = 0
>> >
>> >  sum_of_income       = 0
>> >
>> >  sum_of_taxes        = 0
>> >
>> >  sum_of_happiness    = 0
>> >
>> >  sum_of_investments  = 0
>> >
>> > end
>> >
>> > ---
>> >
>> >
>> > 'self' is the default receiver inside a method
>>
>> That won't work, because the parser sees this as local variable
>> assignments, and not method calls.
>> I don't know an easy way to remove that.
>>
>
> If they're ivars (attr_accessible), then just use the ivar itself. If they
> are methods on the class, then you'll need the self for there reason you
> mentioned:
>
> def initialize(attributes = nil)
>
>  super  # If exact signature, don't need arguments
>
>  @step                = 0
>
>  @national_debt       = 0
>
>  @sum_of_income       = 0
>
>  @sum_of_taxes        = 0
>
>  @sum_of_happiness    = 0
>
>  @sum_of_investments  = 0
> end

Only if you assume that the setter methods only set the ivar. If
there's extra logic in the setter method, to call it you need the
self.

Jesus.