From: Jim Freeze <jim@...>
Date: 2003-01-06T20:36:45+09:00
Subject: Re: attr_cast, one a small step for interface techniques

On Monday,  6 January 2003 at 17:48:18 +0900, Tom Sawyer wrote:
> On Sunday 05 January 2003 09:30 pm, Gavin Sinclair wrote:
> > Those both being annoyingly long, I would prefer an implementation
> > that allowed:
> >
> >   attr_accessor :x, :y, :name => :to_s, :age => :to_i
> >
> > That is, :x and :y receive the normal attr_accessor treatment, while
> >
> > :name and :age get casting as well.
> >

I think adding this functionality to attr_accessor is ok, but I would
go ahead and alias attr_accessor_with_cast as well.

> hmm..just occured to me, how will the code handle it if there are only hash 
> arguments? in other words i'm not so sure what the methods args should be. 
> suggestion?

def f(*a)
 p a
end

 f(5,6,1=>2)       #=> [5, 6, {1=>2}]
 f(5,6,1=>2,3=>4)  #=> [5, 6, {1=>2, 3=>4}]
 f(1=>2,3=>4,5,6)  #=>  SyntaxError: compile error

-- 
Jim Freeze
----------
Better dead than mellow.