Re: User selectable lower array bound?

[Marc Schellens <m_schellens(at)hotmail.com>]

> Think Perl.  For example, to add an element or elements to the end of a
> possibly non-existent list, you say:
> 
> push @list, $elem;
> 
> To pull one element off the end:
> 
> pop @list;
> 
> To pull one off the front:
> 
> shift @list;
> 
> To push one onto the front:
> 
> unshift @list, $elem;
> 
> With such a collection we could rid ourselves of all those silly
> statements like:
> 
> if n_elements(list) eq 0 then list=[elem] else list=[list, elem]

Ahem:

pro push,list,elem
if n_elements(list) eq 0 then list=[elem] else list=[list, elem]
end

cheers,
marc