From: Mauricio Fernandez <mfp@...>
Date: 2006-08-25T04:13:13+09:00
Subject: Re: do not understand this closure

On Fri, Aug 25, 2006 at 03:50:31AM +0900, ara.t.howard@noaa.gov wrote:
> On Fri, 25 Aug 2006, Mauricio Fernandez wrote:
> 
> >>that said, 1.9 has support for a_proc()
> >
[...]
> >Right now, it's
> >
> >RUBY_RELEASE_DATE            # => "2006-08-13"
> >RUBY_VERSION                 # => "1.9.0"
> >a = proc{|x| x+1}
> >a.(2)                        # => 3
> 
> huh.  so '()' is a method name now?

nope, it's just sugar standing for #call:

RUBY_VERSION                                       # => "1.9.0"
RUBY_RELEASE_DATE                                  # => "2006-08-13"
a = Object.new
def a.call(x); x+1 end
a.(2)                                              # => 3

-- 
Mauricio Fernandez  -   http://eigenclass.org   -  singular Ruby