OpenEuphoria

Re: more match() problems

• Posted by gertie at visionsix.com May 29, 2003
• 475 views

On 28 May 2003, at 20:11, jbrown1050 at hotpop.com wrote:

> 
> 
> On Wed, May 28, 2003 at 02:47:51PM -0500, gertie at visionsix.com wrote:
> <snip>
> > I always do something like this:
> > 
> > if atom(x) 
> >   then z = match({x},y)
> >   else z = match(x,y)
> > end if
> > 
> > or 
> > 
> > if sequence(x) 
> >   then z = match(x,y)
> >   else exit -- cannot use a goto eoroutine here!
> > end if
> > 
> > If i don't, sure as heck x will be "" eventually and the app will crash.
> > Testing for equal(x,"") or (length(x) = 0 ) repeatedly, over and over, ad
> > nauseum helps(?) too.
> > 
> 
> Why not:
> 
> function mx(object x, sequence s)
>  return match(x, s)
> end function
> global function match(object x, sequence s)
>  if atom(x) then
>   x = {x}
>  end if
>  if length(x) = 0 then
>   return 0
>  end if
>  return mx(x, s)
> end function
> 
> That would get you almost exactly what you want, at the price of including one
> more file into your program(s). No need to type repeatedly like that anymore
> ;]

Nice, but there is overhead in function calls, and you make two of them.

Kat