From: Jeffrey Dik <jeffrey.dik@...>
Date: 2005-10-20T23:38:59+09:00
Subject: Re: Functional with Ruby

On Thu, Oct 20, 2005 at 04:51:19AM +0900, Edward Faulkner wrote:
> On Thu, Oct 20, 2005 at 04:34:49AM +0900, Ara.T.Howard wrote:
> > i don't think it is functional because the name of the function
> > cannot be used as a first class object.
> 
> Well, that's true of Ruby in general.  If you want to turn a method
> name into a first class object, you can do this:
> 
> x = myarray.instance_method(:inject)

I believe you mean...

x = myarray.method(:inject)

> x.call {|a,b| a+b}
> 
> Or this:
> 
> x = Array.instance_method(:inject)
> x.bind(myarray).call {|a,b| a+b}
> 
> regards,
> Ed

Jeff