From: "Mauricio Fernández" <mfp@...>
Date: 2005-11-23T17:40:30+09:00
Subject: Re: what is the ruby way to do this?

On Wed, Nov 23, 2005 at 01:58:01PM +0900, Joel VanderWerf wrote:
> It's not completely useless:
> 
> irb(main):001:0> noargs = proc { || 3 }
> => #<Proc:0xb7b3558c@(irb):1>
> irb(main):002:0> noargs[]
> => 3
> irb(main):003:0> noargs[2]
> ArgumentError: wrong number of arguments (1 for 0)
>         from (irb):3
>         from (irb):3

Maybe not for long

[lambda{ }.arity, RUBY_VERSION] # => [0, "1.9.0"]

vs.

[lambda{ }.arity, RUBY_VERSION] # => [-1, "1.8.3"]


-- 
Mauricio Fernandez