OpenEuphoria

Re: Variable Arguments?

• Posted by CChris <christian.cuvier at agricultur?.gouv?fr> Apr 21, 2008
• 637 views

Jeremy Cowgar wrote:
> 
> CChris wrote:
> > 
> > The change was not trivial because it involves the ability to replay canned
> > tokens after recording them. Indeed
> > procedure foo(integer n=n0)
> > needs late binding
> >
> 
> Even something as simple as:
> 
> }}}
<eucode>
> procedure foo(opt object n)
> </eucode>
{{{

> 
> and if n was not supplied, n defaulting to NULL would be a huge step.
> 
> }}}
<eucode>
> function round(sequence items, opt object n)
>   if n = NULL then n = 1 end if
>   ... code for round_precision ...
> end function
> </eucode>
{{{

> 
> That's not as good as function round(sequence items, integer precision=1) but,
> it's a huge step above what we have now and could be maintained later once an
> assignment would be possible.
> 
> How hard is something like that?
> 
> --
> Jeremy Cowgar
> <a href="http://jeremy.cowgar.com">http://jeremy.cowgar.com</a>

What is NULL?
If we had a nil object, as I have advocated for a long time, then it would be
ok. But adding nil is trickier I think - or not, I haven't tried yet. Moving to
3-way logic might break too much code.

CChris