Re: Define variable only if it doesn't exist / is unbound

[Valentin Villenave]

On 3/28/19, Pedro Pessoa <address@hidden> wrote:
> I imagined something like:
>
> %%% pseudo
> #(define var
>     (not (is-bound? var) 0))
> %%%

I’d probably probably do something like

(null? (ly:parser-lookup 'var))

But I’m sure there are better ways :-)

Cheers,
V.