Python and Ruby

[Ed Keith]

--- On Sun, 1/31/10, Steven D'Aprano <steve at REMOVE-THIS-cybersource.com.au> wrote:

> From: Steven D'Aprano <steve at REMOVE-THIS-cybersource.com.au>
> Subject: Re: Python and Ruby
> To: python-list at python.org
> Date: Sunday, January 31, 2010, 5:36 PM
> On Sun, 31 Jan 2010 04:28:41 -0800,
> Ed Keith wrote:
> 
> > In most functional languages you just name a function
> to access it and
> > you do it ALL the time.
> > 
> > for example, in if you have a function 'f' which takes
> two parameters to
> > call the function and get the result you use:
> > 
> >  f 2 3
> > 
> > If you want the function itself you use:
> > 
> >    f
> 
> How do you call a function of no arguments?
> 
> 

In a 'pure' functional language a function with no arguments is, by definition, a constant. This is because a 'pure' function will always return the same result whenever given the same arguments. so if it has no argument it always returns a constant value.

  -EdK

Ed Keith
e_d_k at yahoo.com

Blog: edkeith.blogspot.com