Re: Function def at end of scripts

Hi --

On Tue, 16 Dec 2008, ara.t.howard wrote:


On Dec 13, 2008, at 2:11 AM, David A. Black wrote:

It can serve a purpose, but please have mercy on those of us who like
our Ruby in order :-) It's really not that hard to get used to the
principle that the code (including method definitions) is executed as
it's encountered, and then you don't have to think about whether or
not to flip it.

i like it in order too - logical order that is:

class Controller
before_filter do
require_user
end

def action
end
end

class Model
has_many :children do
def extension
end
end
end


the reality is that logical order and organization is far more important,
consider reading a rails app 'in order' ;-) or having to install your own
'run' hook at the end of every test suite. the reality is that it's
situational - if a script has 50 methods before it gets around to the 'main'
call any sane person might enjoy reading the 'help' method first. this is an
overriding principle of my 'main.rb' lib and i think most people would agree
that reading something like

I'm not trying to make any big prounouncements or prescriptions about
the concept of order as a software engineering principle. I just
don't see code-flipping plus BEGIN {} as a general-usage good way to
organize code. There's nothing to extrapolate from this (e.g., about
ActiveRecord association semantics); I'm just talking (right or wrong)
about this one thing.


David

--
David A. Black / Ruby Power and Light, LLC
Ruby/Rails consulting & training: http://www.rubypal.com
Coming in 2009: The Well-Grounded Rubyist (http://manning.com/black2)

.

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