Re: Creating a callback with an additional argument?

[Wilbert Berendsen]

Op zondag 26 september 2010 schreef Marc:

> is it possible to create a callback with an additional argument?
> 
> I tried
> 
> #(define-public (my-callback string grob)
> ...
> ..
> )
> 
> and wanted to call it by
> 
> \override Notehead #'stencil = #my-callback #'foo'
> 
> but lilypond complains.

You can make a function that is given the 'foo' argument and returns the 
callback function that expects a grob argument.

like
#(define-public (make-callback string)
...
...(lambda (grob) ...)
)

\override Notehead #'stencil = #(make-callback "foo")

best regards,
Wilbert Berendsen

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