From: Robert Klemme <bob.news@...>
Date: 2005-02-01T03:30:46+09:00
Subject: Re: Default values for block parameters


"Matt Mower" <matt.mower@gmail.com> schrieb im Newsbeitrag
news:d563731905013109382bbeef75@mail.gmail.com...
> Hi.
>
> I want to dynamically create (i'm trying to use define_method) a
> method using which has default values for it's parameters.  However
> when I try to do:
>
>     define_method "name" lambda { |x=1,y=2,z=3| f(x,y,z) }
>
> I get a syntax error on the x=1 part.   Am I just using the wrong
> syntax?  Or is it really not possible to create methods with default
> parameter values dynamically?

I guess you will have to do

define_method( "name" ) { |*a| f(a[0]||1, a[1]||2, a[2]||3) }

Or something similar.

Kind regards

    robert